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Math Chapter 2 Vocabulary

Teacher: Mrs. Bradley
Across
_____________ Property of Addition: the group of the numbers does not change the sum.
A symbol that represents the answer to be solved for.
Symbols that are used to group numbers. These are used in the associative property of addition.
_________ Property of Addition: if you add zero to a number, the sum is that same number. (think of looking through the binoculars.)
Down
A set of numbers that follow a certain order.
______________Property of Addition means the order of the numbers do not matter. (switch them up)
Exchanging equal amounts when renaming a number.
Order or group numbers to make them easier to work with , doing math in your head.
The answer is ______________ when it is close to the actual answer.
A number close to the exact value.