# Prime Numbers & Composites Puzzles

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Resource Type
Common Core Standards
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280 KB|4 pages
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Prime Numbers & Composites: A set of puzzles to get students thinking about how to break a number down into its prime factors.

Each puzzle requires students to fill in the circles with prime numbers and the squares with composites to make calculations that equal a starting number.

The idea is to help students learn to factorise numbers, to practise using prime numbers and to begin to see that numbers can be written as a product of primes.

Common Core:4.OA.B.4
Find all factor pairs for a whole number in the range 1-100. Determine whether a given whole number in the range 1-100 is prime or composite.

Tags: Prime Numbers, Composites, Prime Factorization, Prime Factor Decomposition, Factors & Multiples

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Total Pages
4 pages
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Teaching Duration
30 minutes
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\$1.00