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To check your answer to a division equation, you should perform which operation?
1. subtraction
3. multiplication
Grade 3 Defining Words CCSS: CCRA.L.4, L.3.4
1. itself
2. joined
3. least
4. else
Which property is illustrated here?
$7+8=8+7$
1. The Commutative Property of Addition
2. The Associative Property of Addition
Which property is shown here?

$(8+9)+10=8+(9+10)$
1. The Commutative Property of Addition
2. The Associative Property of Addition
Drew rearranged an expression to make it easier to solve. He changed 2 + (3 + 5) to
(2 + 3) + 5.

Which of the following properties tells us that it is okay for Drew to arrange the problem that way?
2. distributive property of multiplication over addition
Which property is 14x + 7 = 7 + 14x ?
1. Distributive Property of Multiplication over Addition