Mathematics, 18.09.2019 22:30 sbelgirl2000
Samantha had to add this group of numbers (47 + 56 + 53), but she wanted to add them as quickly and as easily as possible. here is how she decided to add the numbers:
47 + 56 + 53 = (47 + 53) + 56 = 100 + 56 = 156.
which number property allowed her to add the numbers in this way?
the associative property of addition
the commutative property of addition
the identity property of addition
Answers: 1
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Samantha had to add this group of numbers (47 + 56 + 53), but she wanted to add them as quickly and...
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