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3.NBT.2 – Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.
Samples: Place value - Adding three digit numbers (no regrouping). Mentally subtract 10 from a number between 100-900.
Number and place value
ACMNA055 – Recall addition facts for single-digit numbers and related subtraction facts to develop increasingly efficient mental strategies for computation
Samples: Adding three numbers. Add three numbers - each under 6. Adding three single digit numbers.
3.NA.3 – Continue spatial patterns and number patterns based on simple addition or subtraction.
Samples: Add single digit numbers. Addition to 20. Single digit addition: Activity 1. Counting Forwards By 10. Make 10. Make 10.
5.NA.3 – Describe spatial and number patterns, using rules that involve spatial features, repeated addition or subtraction, and simple multiplication.
Samples: Single Digit Addition Match. Place value - 'Adding On' single digit numbers.
5.NA.1 – Apply additive and simple multiplicative strategies and knowledge of symmetry to:
5.NA.1.a – Combine or partition whole numbers
Samples: Reading numbers – to 10,000. Write numbers – to 10,000. Comparing numbers – to 10,000.
4.NA.1 – Apply basic addition and subtraction facts, simple multiplication facts, and knowledge of place value and symmetry to:
4.NA.1.a – Combine or partition whole numbers
Samples: Ordinal numbers. Odd or Even amounts. Even numbers to 20 - equations. Place Values. Place value 100.