10
QuizMultiple Choice

Using Properties of Operations — Quiz

Question 10 • Grade 7 Mathematics

Which statement is true about the expression 12 minus 7 plus 3 ?

Answer
A
The expression is equivalent to 12 plus 3 plus negative 7 because of the commutative property.
B
The expression is equivalent to 12 plus 3 plus negative 7 because of the associative property.
C
The expression is equivalent to 12 minus open paren 7 plus 3 close paren because of the associative property.
D
The expression is equivalent to 12 minus 3 plus 7 because of the commutative property.

Explanation

Rewrite subtraction as adding a negative: 12 − 7 + 3 = 12 + (−7) + 3. The commutative property lets you switch the order of the addends, giving 12 + 3 + (−7), so choice A is true. The associative property only changes how addends are grouped; it does not change their order.

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