Multiples and Common Multiples with Hundred Board

A multiple of a number is the product of that number and any whole number. To find the first few multiples of 3, skip count by threes. To find the first few multiples of 5, skip count by fives. Notice that 15, 30, 45, 60, 75, and 90 are multiples of both 3 and 5. These numbers are common multiples of 3 and 5. The number 15 is the least common multiple because it is the smallest common multiple.

Multiples and Common Multiples using the Brainingcamp Hundred Board virtual manipulative.

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