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T.I.P.S.

Students must be able to identify numbers as a prime number or as a composite number. In order to do so, they must be able to find the factors of a number.

Example

Identify whether each number is prime or composite and explain your solution and thinking.

a) 18

b) 43

Hint
Possible Solution

Digital Tools

Click on the following links for interactive games.

Prime & Composite Fruit Shoot
Prime or Composite Monkey Drive
Number Ninja
Prime and Composite Numbers
Identifying Prime and Composite Numbers
Prime & Composite Numbers

Resources

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TEKS

Supporting Standard

5.4 Algebraic reasoning. The student applies mathematical process standards to develop concepts of expressions and equations. The student is expected to:

(A) identify prime and composite numbers

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