How can you determine whether a sum of numbers, such as 127 + 38, is even or odd without building a tile model or computing the sum?

Ali Ahmadi asked Jan 26, 2022

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16 votes

How can you determine whether a sum of numbers, such as 127 + 38, is

even or odd without building a tile model or computing the sum?

Ali Ahmadi asked Jan 26, 2022

2.5k points

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10 votes

Answer:

Even + Even = Even

Odd + Odd = Even

Even + Odd = Odd

Rinzler answered Feb 2, 2022

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