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4.NBT.5 – Multiply a whole number of up to four digits by a one-digit whole number, and multiply two two-digit numbers, using strategies based on place value and the properties of operations. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models.
Samples: Adding on to Multiples of 10. Multiplying 2 digits by a 1 digit number - Mental Strategies. Short multiplication.
5.NBT.2 – Explain patterns in the number of zeros of the product when multiplying a number by powers of 10, and explain patterns in the placement of the decimal point when a decimal is multiplied or divided by a power of 10. Use whole-number exponents to denote powers of 10.
Samples: Multiplying by 10. Multiplying by 100. Multiplying by 10 or 100. Multiplying multiples of 10.
Number and place value
ACMNA100 – Solve problems involving multiplication of large numbers by one- or two-digit numbers using efficient mental, written strategies and appropriate digital technologies
Samples: 11x Multiplication facts (times tables). 12x Multiplication facts (times tables). Multiplying by 10.
ACMNA291 – Use efficient mental and written strategies and apply appropriate digital technologies to solve problems
Samples: Adding on to multiples of 10 - 1. Addition and Subtraction (two step). Addition and Subtraction.
6.NA.3 – Describe spatial and number patterns, using:
6.NA.3.b – Rules that involve spatial features, repeated addition or subtraction, and simple multiplication.
Samples: Addition two Digit - Missing Numbers. Addition Make 100. Make 100. Challenge puzzle. Addition Of Five Digit Numbers.