Mathematics – United States – Common Core State Standards
2.OA – Operations & Algebraic Thinking
Mathematics
2.OA.1 – Use addition and subtraction within 100 to solve one and twostep word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem. (See Glossary, Table 1. http://www.corestandards.org/thestandards/mathematics/glossary/glossary/ )

14 learning outcomes – click to view
Samples: Adding multiples of 10. Adding two digit numbers (split strategy). Adding on (numbers under 10).

Adding multiples of 10
 Activities: 3 course, 4 extra

 Adding multiples of 10
 Tutorial

 Adding multiples of 10.
 Practice

 Adding multiples of 10
 Tutorial
Extra activities

 Adding multiples of 10
 Printable

 Adding multiples of 10
 Tutorial

 Addition problem solving
 Assessment

 Adding lots of 10
 Practice

Adding two digit numbers (split strategy)
 Activities: 5 course, 2 extra

Adding on (numbers under 10)
 Activities: 3 course, 14 extra

 Adding on (numbers under 10)
 Tutorial

 Adding on (numbers under 10)
 Practice

 Adding on (numbers under 10)
 Challenge
Extra activities

 Adding on (numbers under 10)
 Printable

 Adding on (numbers under 10)
 Printable

 Add on numbers under 10
 Tutorial

 Add on numbers less than 10
 Assessment

 Add lots of 10  Jump Strategy
 Practice

 Adding lots of 10 to numbers less than 200
 Assessment

 Adding lots of 10 to numbers less than 1,000
 Assessment

Adding two digit numbers (jump strategy)
 Activities: 6 course, 5 extra
Extra activities

 Jump Strategy/Method Explained
 Tutorial

 Jump Strategy/Method
 Tutorial

 Addition of two digit numbers
 Challenge

 Addition of Two Digit Numbers
 Assessment

Adding two digit numbers (written strategy)
 Activities: 5 course, 8 extra
Extra activities

 Addition of two digit numbers
 Practice

 Addition of two digit numbers
 Practice

 Addition of two digit numbers
 Tutorial

Adding two digit numbers (problem solving)
 Activities: 6 course, 12 extra
Extra activities

 Problem solving using addition
 Assessment

 Adding two digit numbers
 Printable

 Adding two digit numbers
 Printable

 Adding two digit numbers
 Printable

 Adding two digit numbers
 Printable

 Addition of two digit numbers
 Printable

 Adding two digit numbers
 Printable

 Subtraction  two digit numbers
 Printable

 Addition of two digit numbers
 Assessment

 Addition using the Jump Strategy/Method
 Challenge

Challenge Puzzle  Addition Pyramid
 Activities: 1 course, 0 extra

 Challenge Puzzle  Addition Pyramid
 Practice

Subtracting 10
 Activities: 5 course, 11 extra

 Subtracting 10
 Tutorial

 Subtract 10
 Practice

 Subtracting 10
 Tutorial

 Subtracting 10
 Challenge

 Subtracting 10
 Practice
Extra activities

 Subtracting 10
 Printable

 Subtracting 10 (problem solving)
 Printable

 Subtract 10 from numbers under 100
 Printable

 Subtract 10 from larger numbers
 Printable

 Subtract 10 from numbers
 Printable

 Subtract 10 from larger numbers
 Assessment

 Subtract 10 from larger numbers
 Challenge

 Subtract 10 from numbers
 Assessment

Subtracting multiples of 10
 Activities: 3 course, 5 extra

 Subtracting multiples of 10
 Tutorial

 Subtracting multiples of 10
 Practice

 Subtracting multiples of 10
 Tutorial
Extra activities

 Subtracting multiples of 10
 Printable

 Subtracting multiples of 10
 Printable

 Subtract Multiples Of 10
 Tutorial

Subtracting from 100
 Activities: 5 course, 5 extra

 Subtracting from 100
 Tutorial

 Subtracting from 100
 Practice

 Subtracting from 100
 Challenge

 Subtracting from 100
 Tutorial

 Subtracting from 100
 Tutorial
Extra activities

 Subtracting from 100
 Printable

 Subtracting from 100
 Printable

 Subtract from 100  Written Strategy
 Tutorial

 Subtract from 100
 Practice

 Subtract from 100
 Assessment

Subtracting two digit numbers (adding on)
 Activities: 3 course, 0 extra

Subtracting two digit numbers (jump back strategy)
 Activities: 5 course, 16 extra

 Subtracting (jumping back)
 Tutorial
Extra activities

 Subtract 20 from numbers under 100
 Challenge

 Subtract 20 from numbers under 100
 Assessment

 Subtract 30 from numbers under 100
 Challenge

 Subtract 30 from numbers under 100
 Assessment

 Subtract 40 from numbers under 100
 Assessment

 Subtract 40 from numbers under 100
 Challenge

 Subtract 50 from numbers under 100
 Challenge

 Subtract 50 from numbers under 100
 Assessment

Subtracting two digit numbers (written strategy)
 Activities: 6 course, 10 extra
Extra activities

 Subtraction of two digit numbers
 Printable

 Subtraction  two digit numbers
 Practice

Subtracting two digit numbers (problem solving)
 Activities: 5 course, 21 extra
Extra activities

 Subtracting two digit numbers
 Printable

 Subtracting two digit numbers
 Printable

 Subtract numbers less than 20
 Printable

 Drill  Subtract numbers up to 100
 Printable

 Problem solving using subtraction
 Assessment

 Subtraction
 Assessment

 Subtraction  two digit numbers
 Challenge

 Subtraction of two digit numbers
 Challenge

 Subtraction of two digit numbers
 Assessment


14 learning outcomes – click to view
Mathematics
2.OA.2 – Fluently add and subtract within 20 using mental strategies. (See standard 1.OA.6 for a list of mental strategies.) By end of Grade 2, know from memory all sums of two onedigit numbers.

4 learning outcomes – click to view
Samples: Adding single digit numbers. Single digit addition (missing number). Subtracting single digit numbers.

Adding single digit numbers
 Activities: 5 course, 18 extra

 Adding single digit numbers
 Tutorial

 Adding single digit numbers
 Practice

 Adding single digit numbers
 Challenge

 Add numbers less than 5
 Tutorial
Extra activities

 Adding single digit numbers
 Printable

 Add doubles  single digit numbers
 Printable

 Adding single digit numbers
 Printable

 Adding single digit numbers
 Printable

 Timed Challenge: Add numbers less than 5
 Challenge

 Add Single Digits Duck Game
 Practice

 Drill  Add numbers up to 10.
 Printable

 Drill  Doubles to 20
 Printable

 Drill  Doubles to 20 (AutoGenerated)
 Printable

 Add single digit numbers
 Printable

 Addition to 20  with visual cues
 Practice

 Add numbers less than 5
 Assessment

 Add single digit numbers
 Assessment

 Combining to 20
 Practice

Single digit addition (missing number)
 Activities: 5 course, 10 extra

 Single digit addition (missing number)
 Challenge
Extra activities

 Single digit addition (missing number)
 Printable

 Single digit addition (missing number)
 Printable

 Single digit addition (missing number)
 Printable

 Single digit addition (missing number)
 Printable

 Single digit addition (missing number)
 Printable

 Single digit addition (missing number)
 Printable

 Addition with a missing number
 Assessment

Subtracting single digit numbers
 Activities: 4 course, 12 extra

 Subtracting single digit numbers
 Tutorial

 Subtracting single digit numbers
 Practice

 Subtracting single digit numbers
 Challenge
Extra activities

 Subtract single digit numbers
 Printable

 Subtraction problem solving
 Assessment

 Subtract single digit numbers
 Printable

 Drill  Subtraction under 10
 Printable

 Subtract single digit numbers
 Tutorial

 Subtract single digits
 Tutorial

 Subtract from 10
 Practice

 Subtract single digit numbers
 Assessment

 Subtract single digit numbers
 Challenge

 Subtract single digit numbers
 Practice

 Subtract numbers less than 20
 Assessment


4 learning outcomes – click to view
Mathematics
2.OA.3 – Determine whether a group of objects (up to 20) has an odd or even number of members, e.g., by pairing objects or counting them by 2s; write an equation to express an even number as a sum of two equal addends.

2 learning outcomes – click to view
Samples: Odd or Even amounts. Even numbers to 20  equations.

2 learning outcomes – click to view
2.OA.4 – Use addition to find the total number of objects arranged in rectangular arrays with up to 5 rows and up to 5 columns; write an equation to express the total as a sum of equal addends.

6 learning outcomes – click to view
Samples: Groups of 2. Counting on number line (by 2's). Groups of 5. Counting on number line (by 5's).

Number patterns and groups (of 2)
 Activities: 4 course, 7 extra

 Groups of 2
 Tutorial

 Counting in two's  rows
 Practice

 Counting in two's  groups
 Practice

 Groups of 2
 Tutorial
Extra activities

 Groups of 2
 Printable

 Groups of 2
 Printable

 Groups of 2
 Practice

 Groups of 2
 Challenge

 Groups of 2
 Assessment

 Multiply by adding lots of 2
 Practice

Counting on number line (by 2's)
 Activities: 7 course, 5 extra

 Counting on number line (by 2's)
 Tutorial

 Counting by 2
 Practice

 Counting by 2
 Practice

 Counting by 2
 Practice

 Counting by 2
 Tutorial

 Counting by 2
 Tutorial

 Counting by Two  Faster
 Tutorial
Extra activities

 Counting by 2
 Printable

 Counting by 2
 Tutorial

 Counting by 2
 Assessment

 Count on by 2 the next three numbers
 Practice

 Count by lots of 2
 Practice

Number patterns and groups (of 5)
 Activities: 5 course, 14 extra

 Groups of 5
 Tutorial

 Rows of 5
 Practice

 Groups of 5
 Practice

 Groups of 5
 Tutorial

 Rows of 5
 Tutorial
Extra activities

 Groups of 5
 Printable

 Groups of 5
 Printable

 Groups of 5
 Printable

 Identifying the amounts in a group
 Tutorial

 Groups and rows of 5
 Tutorial

 Groups of 5
 Tutorial

 Rows of 5
 Tutorial

 Groups of 5
 Challenge

 Groups of 5
 Practice

 Multiply by adding lots of 5
 Practice

 Groups of 5
 Assessment

 Rows of five
 Practice

Counting on number line (by 5's)
 Activities: 6 course, 3 extra

 Counting on number line (by 5's)
 Tutorial

 Counting by 5
 Tutorial

 Counting by 5
 Practice

 Counting by 5
 Practice

 Counting by 5
 Practice

 Counting by 5
 Tutorial
Extra activities

 Counting by 5
 Printable

 Counting by 5
 Assessment

 Count by lots of 5
 Practice

Counting on number line (by 10's)
 Activities: 6 course, 5 extra

 Counting on number line (by 10's)
 Tutorial

 Counting by 10
 Practice

 Counting by 10
 Practice

 Counting by 10
 Practice

 Counting by 10
 Tutorial

 Counting by 10
 Tutorial
Extra activities

 Counting by 10
 Printable

 Counting by 10
 Printable

 Numbers Problem Solving
 Assessment

 Count by lots of 10
 Practice

 Counting by 10
 Assessment

Arrays
 Activities: 4 course, 0 extra

 Arrays 2, 5, 10 (up to 5 rows)
 Practice

 Arrays 2, 5, 10 (up to 10 rows)
 Practice

 Arrays
 Practice

 Arrays 2, 5, 10 (up to 5 rows)
 Practice


6 learning outcomes – click to view
2.NBT – Number & Operations in Base Ten
Mathematics
2.NBT.1 – Understand that the three digits of a threedigit number represent amounts of hundreds, tens, and ones; e.g., 706 equals 7 hundreds, 0 tens, and 6 ones. Understand the following as special cases:
2.NBT.1.a – 100 can be thought of as a bundle of ten tens — called a “hundred.”

3 learning outcomes – click to view
Samples: Place Values. Counting in tens and ones. Place Values teens: counting 15 sticks. Place Values. Place value 100.

Numbers represented using MAB (up to 100)
 Activities: 3 course, 2 extra

 Place Values
 Tutorial

 Place Values
 Tutorial
Extra activities

 Identifying Place Value
 Practice

 Guessing game  Numbers to 100
 Practice

Counting in tens and ones
 Activities: 2 course, 2 extra

 Counting in tens and ones
 Practice

 Place value 100
 Practice
Extra activities

 Place value 100 concepts
 Printable

 Place value 100  concepts Answer sheet
 Printable


3 learning outcomes – click to view
2.NBT.1.b – The numbers 100, 200, 300, 400, 500, 600, 700, 800, 900 refer to one, two, three, four, five, six, seven, eight, or nine hundreds (and 0 tens and 0 ones).

5 learning outcomes – click to view
Samples: Place value  hundreds, tens and ones. Place Values. Counting in tens and ones.

Place value  hundreds, tens and ones
 Activities: 4 course, 2 extra

Numbers represented using MAB (up to 100)
 Activities: 3 course, 2 extra

 Place Values
 Tutorial

 Place Values
 Tutorial
Extra activities

 Identifying Place Value
 Practice

 Guessing game  Numbers to 100
 Practice

Counting in tens and ones
 Activities: 2 course, 2 extra

 Counting in tens and ones
 Practice

 Place value 100
 Practice
Extra activities

 Place value 100 concepts
 Printable

 Place value 100  concepts Answer sheet
 Printable

Counting by 100 (multiples of 100)
 Activities: 1 course, 0 extra

 Counting by 100 (multiples of 100)
 Practice


5 learning outcomes – click to view
2.NBT.2 – Count within 1000; skipcount by 5s, 10s, and 100s.

4 learning outcomes – click to view
Samples: Counting on number line (by 2's). Counting on number line (by 5's). Counting on number line (by 10's).

Counting by 2 (to 20)
 Activities: 4 course, 10 extra

 Counting on number line (by 2's)
 Tutorial

 Skip Counting by 2's
 Practice

 Skip counting by 2's  objects
 Practice

 Investigating number patterns
 Practice
Extra activities

 Count by 2
 Practice

 Count by 3
 Practice

 Count by 5
 Practice

 Continue a pattern by 3
 Practice

 Count by 2
 Practice

 Continue a pattern by 2 or 3
 Practice

 Continue a pattern by 5
 Practice

 Continue a pattern by 10
 Practice

Counting on number line (by 5's)
 Activities: 6 course, 3 extra

 Counting on number line (by 5's)
 Tutorial

 Counting by 5
 Tutorial

 Counting by 5
 Practice

 Counting by 5
 Practice

 Counting by 5
 Practice

 Counting by 5
 Tutorial
Extra activities

 Counting by 5
 Printable

 Counting by 5
 Assessment

 Count by lots of 5
 Practice

Counting on number line (by 10's)
 Activities: 6 course, 5 extra

 Counting on number line (by 10's)
 Tutorial

 Counting by 10
 Practice

 Counting by 10
 Practice

 Counting by 10
 Practice

 Counting by 10
 Tutorial

 Counting by 10
 Tutorial
Extra activities

 Counting by 10
 Printable

 Counting by 10
 Printable

 Numbers Problem Solving
 Assessment

 Count by lots of 10
 Practice

 Counting by 10
 Assessment

Counting by 100 (multiples of 100)
 Activities: 1 course, 0 extra

 Counting by 100 (multiples of 100)
 Practice


4 learning outcomes – click to view
2.NBT.3 – Read and write numbers to 1000 using baseten numerals, number names, and expanded form.

3 learning outcomes – click to view
Samples: Place value. Writing numbers to 1000. Numbers written in expanded form. Counting forwards and backwards by 10.

Numbers written in expanded form
 Activities: 1 course, 0 extra

 Numbers written in expanded form
 Practice

3 learning outcomes – click to view
2.NBT.4 – Compare two threedigit numbers based on meanings of the hundreds, tens, and ones digits, using >, =, and < symbols to record the results of comparisons.

1 learning outcomes – click to view
Samples: Comparing numbers to 1000 (< = >). Greater than or less than.

Comparing numbers to 1000 (< = >)
 Activities: 1 course, 1 extra


1 learning outcomes – click to view
Mathematics
2.NBT.5 – Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.

21 learning outcomes – click to view
Samples: Adding on single digit numbers using blocks. Adding two digit numbers using blocks. Adding multiples of 10.

Adding on single digit numbers using blocks
 Activities: 1 course, 0 extra

Adding two digit numbers using blocks
 Activities: 1 course, 0 extra

Adding multiples of 10
 Activities: 3 course, 4 extra

 Adding multiples of 10
 Tutorial

 Adding multiples of 10.
 Practice

 Adding multiples of 10
 Tutorial
Extra activities

 Adding multiples of 10
 Printable

 Adding multiples of 10
 Tutorial

 Addition problem solving
 Assessment

 Adding lots of 10
 Practice

Adding two digit numbers (estimating)
 Activities: 1 course, 2 extra
Extra activities

 Estimating
 Printable

 Estimating Answer sheet
 Printable

Adding two digit numbers (split strategy)
 Activities: 5 course, 2 extra

Adding on (numbers under 10)
 Activities: 3 course, 14 extra

 Adding on (numbers under 10)
 Tutorial

 Adding on (numbers under 10)
 Practice

 Adding on (numbers under 10)
 Challenge
Extra activities

 Adding on (numbers under 10)
 Printable

 Adding on (numbers under 10)
 Printable

 Add on numbers under 10
 Tutorial

 Add on numbers less than 10
 Assessment

 Add lots of 10  Jump Strategy
 Practice

 Adding lots of 10 to numbers less than 200
 Assessment

 Adding lots of 10 to numbers less than 1,000
 Assessment

Adding two digit numbers (jump strategy)
 Activities: 6 course, 5 extra
Extra activities

 Jump Strategy/Method Explained
 Tutorial

 Jump Strategy/Method
 Tutorial

 Addition of two digit numbers
 Challenge

 Addition of Two Digit Numbers
 Assessment

Adding two digit numbers (written strategy)
 Activities: 5 course, 8 extra
Extra activities

 Addition of two digit numbers
 Practice

 Addition of two digit numbers
 Practice

 Addition of two digit numbers
 Tutorial

Adding two digit numbers (problem solving)
 Activities: 6 course, 12 extra
Extra activities

 Problem solving using addition
 Assessment

 Adding two digit numbers
 Printable

 Adding two digit numbers
 Printable

 Adding two digit numbers
 Printable

 Adding two digit numbers
 Printable

 Addition of two digit numbers
 Printable

 Adding two digit numbers
 Printable

 Subtraction  two digit numbers
 Printable

 Addition of two digit numbers
 Assessment

 Addition using the Jump Strategy/Method
 Challenge

Subtracting 10
 Activities: 5 course, 11 extra

 Subtracting 10
 Tutorial

 Subtract 10
 Practice

 Subtracting 10
 Tutorial

 Subtracting 10
 Challenge

 Subtracting 10
 Practice
Extra activities

 Subtracting 10
 Printable

 Subtracting 10 (problem solving)
 Printable

 Subtract 10 from numbers under 100
 Printable

 Subtract 10 from larger numbers
 Printable

 Subtract 10 from numbers
 Printable

 Subtract 10 from larger numbers
 Assessment

 Subtract 10 from larger numbers
 Challenge

 Subtract 10 from numbers
 Assessment

Subtracting multiples of 10
 Activities: 3 course, 5 extra

 Subtracting multiples of 10
 Tutorial

 Subtracting multiples of 10
 Practice

 Subtracting multiples of 10
 Tutorial
Extra activities

 Subtracting multiples of 10
 Printable

 Subtracting multiples of 10
 Printable

 Subtract Multiples Of 10
 Tutorial

Subtracting from 100
 Activities: 5 course, 5 extra

 Subtracting from 100
 Tutorial

 Subtracting from 100
 Practice

 Subtracting from 100
 Challenge

 Subtracting from 100
 Tutorial

 Subtracting from 100
 Tutorial
Extra activities

 Subtracting from 100
 Printable

 Subtracting from 100
 Printable

 Subtract from 100  Written Strategy
 Tutorial

 Subtract from 100
 Practice

 Subtract from 100
 Assessment

Make 100
 Activities: 3 course, 2 extra

 Addition Make 100
 Tutorial

 Make 100
 Practice

 Make 100
 Practice
Extra activities

 Make 100
 Printable

 Make 100  Mental strategies
 Tutorial

Subtracting two digit numbers (adding on)
 Activities: 3 course, 0 extra

Subtracting two digit numbers (jump back strategy)
 Activities: 5 course, 16 extra

 Subtracting (jumping back)
 Tutorial
Extra activities

 Subtract 20 from numbers under 100
 Challenge

 Subtract 20 from numbers under 100
 Assessment

 Subtract 30 from numbers under 100
 Challenge

 Subtract 30 from numbers under 100
 Assessment

 Subtract 40 from numbers under 100
 Assessment

 Subtract 40 from numbers under 100
 Challenge

 Subtract 50 from numbers under 100
 Challenge

 Subtract 50 from numbers under 100
 Assessment

Subtracting two digit numbers (written strategy)
 Activities: 6 course, 10 extra
Extra activities

 Subtraction of two digit numbers
 Printable

 Subtraction  two digit numbers
 Practice

Subtracting two digit numbers (problem solving)
 Activities: 5 course, 21 extra
Extra activities

 Subtracting two digit numbers
 Printable

 Subtracting two digit numbers
 Printable

 Subtract numbers less than 20
 Printable

 Drill  Subtract numbers up to 100
 Printable

 Problem solving using subtraction
 Assessment

 Subtraction
 Assessment

 Subtraction  two digit numbers
 Challenge

 Subtraction of two digit numbers
 Challenge

 Subtraction of two digit numbers
 Assessment

Adding two digit numbers
 Activities: 2 course, 1 extra

 Adding two digit numbers
 Practice

 Adding two digit numbers
 Practice
Extra activities

 Adding two digit numbers
 Printable

Single Digit Subtraction Match
 Activities: 1 course, 0 extra

 Single Digit Subtraction Match
 Practice


21 learning outcomes – click to view
2.NBT.6 – Add up to four twodigit numbers using strategies based on place value and properties of operations.

12 learning outcomes – click to view
Samples: Adding three single digit numbers. Adding on 10 using blocks. Adding multiples of 10 using blocks.

Adding three numbers
 Activities: 4 course, 3 extra

 Adding three single digit numbers
 Tutorial

 Adding three single digit numbers
 Tutorial

 Add three sets of numbers
 Practice
Extra activities

 Adding three numbers
 Printable

 Add three single digit numbers
 Printable

Adding on 10 using blocks
 Activities: 2 course, 0 extra

 Adding on 10 using blocks
 Tutorial

 Adding on 10 using blocks
 Practice

Adding multiples of 10 using blocks
 Activities: 2 course, 0 extra

 Adding multiples of 10 using blocks
 Tutorial

 Adding multiples of 10 using blocks
 Practice

Adding two digit numbers using blocks
 Activities: 1 course, 0 extra

Adding multiples of 10
 Activities: 3 course, 4 extra

 Adding multiples of 10
 Tutorial

 Adding multiples of 10.
 Practice

 Adding multiples of 10
 Tutorial
Extra activities

 Adding multiples of 10
 Printable

 Adding multiples of 10
 Tutorial

 Addition problem solving
 Assessment

 Adding lots of 10
 Practice

Adding two digit numbers (estimating)
 Activities: 1 course, 2 extra
Extra activities

 Estimating
 Printable

 Estimating Answer sheet
 Printable

Adding multiples of 10
 Activities: 2 course, 4 extra

 Adding multiples of 10
 Practice

 Adding multiples of 10
 Challenge
Extra activities

 Adding multiples of 10
 Printable

 Jump strategy for addition
 Practice

Adding two digit numbers (split strategy)
 Activities: 5 course, 2 extra

Adding two digit numbers (jump strategy)
 Activities: 6 course, 5 extra
Extra activities

 Jump Strategy/Method Explained
 Tutorial

 Jump Strategy/Method
 Tutorial

 Addition of two digit numbers
 Challenge

 Addition of Two Digit Numbers
 Assessment

Adding two digit numbers (written strategy)
 Activities: 5 course, 8 extra
Extra activities

 Addition of two digit numbers
 Practice

 Addition of two digit numbers
 Practice

 Addition of two digit numbers
 Tutorial

Adding two digit numbers
 Activities: 2 course, 1 extra

 Adding two digit numbers
 Practice

 Adding two digit numbers
 Practice
Extra activities

 Adding two digit numbers
 Printable


12 learning outcomes – click to view
2.NBT.7 – Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that in adding or subtracting threedigit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds.

4 learning outcomes – click to view
Samples: Adding three digit numbers using blocks. Adding multiples of 10 using blocks.

Adding three digit numbers using blocks
 Activities: 1 course, 0 extra

Adding multiples of 10 using blocks
 Activities: 2 course, 0 extra

 Adding multiples of 10 using blocks
 Tutorial

 Adding multiples of 10 using blocks
 Practice

Place value  Subtract three digit numbers
 Activities: 1 course, 0 extra

Subtracting multiples of 10 using blocks
 Activities: 1 course, 0 extra


4 learning outcomes – click to view
2.NBT.8 – Mentally add 10 or 100 to a given number 100–900, and mentally subtract 10 or 100 from a given number 100–900.

4 learning outcomes – click to view
Samples: Adding 10 (to three digit numbers). Adding 100. Subtracting 10 large numbers. Subtracting 100.

Adding 10 (to three digit numbers)
 Activities: 1 course, 1 extra

 Adding 10 (to three digit numbers)
 Practice
Extra activities

 Adding 10 (to three digit numbers)
 Printable

Subtracting 10 large numbers
 Activities: 1 course, 1 extra

Subtracting 100
 Activities: 1 course, 1 extra


4 learning outcomes – click to view
2.NBT.9 – Explain why addition and subtraction strategies work, using place value and the properties of operations. (Explanations may be supported by drawings or objects.)

1 learning outcomes – click to view
Samples: Explain addition and subtraction by drawing.

Explain addition and subtraction by drawing
 Activities: 1 course, 0 extra


1 learning outcomes – click to view
2.MD – Measurement & Data
Mathematics
2.MD.1 – Measure the length of an object by selecting and using appropriate tools such as rulers, yardsticks, meter sticks, and measuring tapes.

3 learning outcomes – click to view
Samples: Units Of Measure Metric. Devices for Measuring Length. Units Of Measure Metric. Which measuring device.

Which measuring device?
 Activities: 2 course, 0 extra

 Units Of Measure Metric
 Tutorial

 Which measuring device
 Practice

Using the appropriate tools for measuring length
 Activities: 3 course, 0 extra

 Devices for Measuring Length
 Tutorial

 Units Of Measure Metric
 Tutorial

Use instruments to measure length.
 Activities: 2 course, 0 extra

 Units Of Measure Metric
 Tutorial

 Devices for measuring length
 Practice


3 learning outcomes – click to view
2.MD.2 – Measure the length of an object twice, using length units of different lengths for the two measurements; describe how the two measurements relate to the size of the unit chosen.

4 learning outcomes – click to view
Samples: Measure length using informal units  blocks. Measuring Length (using informal units).

Measure length using informal units  blocks
 Activities: 1 course, 0 extra

Measure length using informal units.
 Activities: 3 course, 7 extra

 Measure length using informal units
 Practice

 Measure length using informal units
 Practice
Extra activities

 Measuring using informal units
 Printable

 Length
 Printable

 Length
 Practice

 Length
 Assessment

 Measuring using informal units
 Practice

 Using informal units to measure length.
 Whiteboard


4 learning outcomes – click to view
2.MD.3 – Estimate lengths using units of inches, feet, centimeters, and meters.
2.MD.4 – Measure to determine how much longer one object is than another, expressing the length difference in terms of a standard length unit.

1 learning outcomes – click to view
Samples: Measuring in centimeters. Measure length in centimeters. Measure length (problem solving). Measuring With A Ruler.

Measure length in centimeters
 Activities: 6 course, 3 extra

 Measuring in centimeters
 Tutorial

 Measure length in centimeters
 Practice

 Measure length (problem solving)
 Practice

 Measuring With A Ruler
 Tutorial

 Units Of Measure Metric
 Tutorial
Extra activities

 Measuring in centimeters
 Printable

 Measuring Length in Centimeters
 Practice

 Measuring using the Centimeter
 Practice


1 learning outcomes – click to view
Mathematics
2.MD.5 – Use addition and subtraction within 100 to solve word problems involving lengths that are given in the same units, e.g., by using drawings (such as drawings of rulers) and equations with a symbol for the unknown number to represent the problem.

2 learning outcomes – click to view
Samples: Measuring in Centimetres. Measuring in metres. Measure length in centimeters : Activity 1. Measuring in metres.

Measure length in centimetres
 Activities: 1 course, 1 extra

 Measuring in Centimetres
 Tutorial
Extra activities

Measure length in metres
 Activities: 1 course, 4 extra

 Measuring in metres
 Tutorial
Extra activities

 Measuring in metres
 Printable

 Measuring in Meters
 Practice


2 learning outcomes – click to view
2.MD.6 – Represent whole numbers as lengths from 0 on a number line diagram with equally spaced points corresponding to the numbers 0, 1, 2, ..., and represent wholenumber sums and differences within 100 on a number line diagram.

2 learning outcomes – click to view
Samples: Representing lengths on a number line. Adding and subtracting unit lengths using blocks.

Representing lengths on a number line
 Activities: 2 course, 0 extra

Adding and subtracting unit lengths
 Activities: 1 course, 0 extra


2 learning outcomes – click to view
Mathematics
2.MD.7 – Tell and write time from analog and digital clocks to the nearest five minutes, using a.m. and p.m.

3 learning outcomes – click to view
Samples: Reading digital time. Reading Five Minute Intervals. Telling the time on an analog clock  quarter to and past.

Tell the time: 5 minute intervals
 Activities: 8 course, 2 extra

 Reading digital time
 Tutorial

 Counting by 5's on a clock face
 Tutorial

 Matching times on different clocks
 Practice
Extra activities

Reading Time  to the minute
 Activities: 2 course, 9 extra

 Reading Five Minute Intervals
 Tutorial

 Reading Time  to the minute
 Practice
Extra activities

 Tell time to the minute: Activity 2
 Practice

 Telling the time
 Practice

 Telling the time
 Practice

 Reading analog to one minute intervals
 Printable

 Recording analog time in digital format
 Printable

 Time
 Printable

 Time
 Assessment

Telling the time on an analog clock  quarter to and past
 Activities: 2 course, 8 extra
Extra activities


3 learning outcomes – click to view
2.MD.8 – Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately. Example: If you have 2 dimes and 3 pennies, how many cents do you have?
Mathematics
2.MD.9 – Generate measurement data by measuring lengths of several objects to the nearest whole unit, or by making repeated measurements of the same object. Show the measurements by making a line plot, where the horizontal scale is marked off in wholenumber units.
2.MD.10 – Draw a picture graph and a bar graph (with singleunit scale) to represent a data set with up to four categories. Solve simple puttogether, takeapart, and compare problems (See Glossary, Table 1. http://www.corestandards.org/thestandards/mathematics/glossary/glossary/ ) using information presented in a bar graph.

4 learning outcomes – click to view
Samples: Data  picture graphs. Create a Column Graph. Interpreting Column Graphs  3. Column graphs.

Interpret data presented using picture graphs.
 Activities: 1 course, 4 extra

 Data  picture graphs
 Practice
Extra activities

 Display data using picture graphs
 Printable

 Data  picture graphs: Activity 2
 Practice

 Reading picture graphs
 Practice

 Making picture graphs
 Practice

Data & Graphs  Column Graph Creator
 Activities: 0 course, 1 extra
Extra activities

 Create a Column Graph
 Whiteboard

Interpret data presented using simple column graphs
 Activities: 1 course, 12 extra

 Interpreting Column Graphs  3
 Practice
Extra activities

 Display data using a simple column graph
 Printable

 Data
 Printable

 Data
 Printable

 Data Problem Solving
 Printable

 Data Problem Solving
 Printable

 Data
 Assessment

 Data
 Assessment

 Data Problem Solving
 Assessment

 Data Problem Solving
 Assessment

 Collecting data and making a bar graph
 Printable

 Making a bar graph
 Practice

 Reading a column graph
 Practice


4 learning outcomes – click to view
2.G – Geometry
Mathematics
2.G.1 – Recognize and draw shapes having specified attributes, such as a given number of angles or a given number of equal faces. (Sizes are compared directly or visually, not compared by measuring.) Identify triangles, quadrilaterals, pentagons, hexagons, and cubes.

3 learning outcomes – click to view
Samples: Quadrilaterals. Constructing 2D shapes. Features of threedimensional objects. Naming twodimensional shapes.

Identifying twodimensional shapes
 Activities: 5 course, 0 extra

 Quadrilaterals
 Tutorial

 Naming twodimensional shapes
 Tutorial

 Regular and irregular shapes
 Tutorial

 Identifying twodimensional shapes
 Practice

 Naming twodimensional shapes
 Tutorial

Construct and draw two dimensional shapes
 Activities: 1 course, 3 extra

 Constructing 2D shapes
 Tutorial
Extra activities

 Drawing 2D shapes
 Printable

 Constructing 2D shapes
 Practice

 Draw Shapes
 Printable

Describe the features of threedimensional objects
 Activities: 4 course, 8 extra

 Identifying corners on 3D objects
 Tutorial
Extra activities

 Space 3D Problem Solving
 Assessment

 Space 3D Problem Solving
 Printable

 Space 3D Problem Solving
 Assessment

 Space 3D Problem Solving
 Printable

 Properties of 3D objects
 Printable

 Identifying faces on 3D objects
 Practice

 Identifying corners on 3D Objects
 Practice


3 learning outcomes – click to view
2.G.2 – Partition a rectangle into rows and columns of samesize squares and count to find the total number of them.

1 learning outcomes – click to view
Samples: Counting by using rows. Partitioned rectangles.

Partitioned rectangles
 Activities: 2 course, 0 extra

 Counting by using rows
 Tutorial

 Partitioned rectangles
 Practice


1 learning outcomes – click to view
2.G.3 – Partition circles and rectangles into two, three, or four equal shares, describe the shares using the words halves, thirds, half of, a third of, etc., and describe the whole as two halves, three thirds, four fourths. Recognize that equal shares of identical wholes need not have the same shape.

5 learning outcomes – click to view
Samples: Halving groups. Introduction to Fractions. Quarters. Fractions of groups. Identifying Fractions. Halving groups.

Halving groups
 Activities: 3 course, 1 extra

 Halving groups
 Tutorial

 Halving groups
 Practice

 Halves: identifying an equal share
 Tutorial
Extra activities

 Halving groups
 Printable

Halves, thirds and quarters
 Activities: 2 course, 1 extra

 Introduction to Fractions
 Tutorial

 Halves, thirds and quarters
 Practice
Extra activities

 Thirds
 Printable

Quarters and eighths
 Activities: 6 course, 10 extra

 Quarters
 Tutorial

 Eighths
 Tutorial

 Halves and Quarters
 Practice

 Halves and quarters
 Tutorial

 Identifying Fractions
 Tutorial
Extra activities

 Quarters and eighths
 Printable

 Identifying fractions tutorial
 Tutorial

 Halves and quarters tutorial
 Tutorial

 Fraction of objects and shapes
 Practice

 Compare to a half tutorial
 Tutorial

 Compare to a half
 Practice

 Comparing fractions tutorial
 Tutorial

 Identifying halves and quarters
 Practice

 Comparing fractions
 Practice

Dividing groups into halves and quarters
 Activities: 3 course, 5 extra

 Fractions of groups
 Tutorial
Extra activities

 Fractions
 Printable

 Fractions Problem Solving
 Printable

 Fractions
 Assessment

 Fractions Problem Solving
 Assessment

Identifying fractions
 Activities: 4 course, 4 extra

 Identifying Fractions
 Tutorial

 Writing fractions
 Tutorial

 Identifying fractions
 Practice

 Identifying fractions
 Practice
Extra activities

 Representing fractions
 Printable

 Identifying fractions
 Printable

 Identifying fractions tutorial
 Tutorial

 Identifying fractions
 Practice


5 learning outcomes – click to view