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What is a prime and composite anchor chart?

Prime and Composite Anchor Chart {plus a freebie!} This anchor chart contains a mnemonic device to help your students remember the difference between prime and composite numbers! This anchor chart is the result of a couple inspirations. The first one was Kayla's weekly math homework.

What is a composite number & a prime number?

Prime and Composite Number Definition A number with exactly two factors, “1” and the number itself, is called a prime number. Such as 2, 3, 5, etc. If a number has more than two factors, it is called a composite number. For example, 21 is a composite number with four factors, which are 1, 3, 21, and 7.

Is 9 a composite number or a prime number?

So, 9 is a composite number, whereas 23 is a prime number. We can also determine prime and composite numbers through an area model anchor chart. All we need to do is draw the possible factors on the area model to determine the number types.

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