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Brandon Wilson · Answer 1 · 2017-01-23T04:57:03+0000

Addition facts help to see if the answer to subtraction problems are right by adding.If both the answers are the same,the answer is correct.

Kazim Homayee · Answer 2 · 2017-01-27T06:37:31+0000

A number fact is made up of three numbers. These three numbers can be used to make up other number facts. Knowing one fact can help children with other facts. Look at the number facts we can make with the numbers 3, 4, and 7.

Addition FactsSubtraction Facts3 + 4 = 77 – 3 = 44 + 3 = 77 – 4 = 3

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