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Students identify the multiples and common multiples of numbers between 2 and 7 within given number ranges.

Students identify multiples of 4 and of 6, and explain their reasoning.

Students identify numbers using clues which give the range within which each number falls and two factors with their remainder.

Students find the prime numbers that add or multiply to given sums or products.

This task requires students to show how to estimate numbers of items in some multiplication problems using any acceptable estimation strategy.

This task requires students to show how to calculate multiplication problems with multi-digit numbers.

Students estimate a division problem, share their methods, discuss the nice numbers and factors method, and then do more problems using nice numbers and factors.