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| Math Central | Quandaries & Queries |
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Question from sherry, a parent: How do you make an array with the number 31 |
Hi Sherry,
The number 24 can be expressed as a 6 by 4 array (6 rows and 4 columns) since 6 × 4 = 24. It can also be expressed as a 2 by 12 array since 2 × 12 = 24. The number 24 can be expressed as different sized arrays since you can write 24 as the product of two numbers in a variety of ways. Can you express 31 as the product of two numbers? What is the array you get?
Penny
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