10
QuizMultiple Choice
Adding Integers
Question 10 • DAEP - Math 7 A (20 DAY TERM)
Patti is using mental math to evaluate the expression . She recognizes that the expression will be easier to simplify if she can combine 70 and 30 before she works with the other numbers. Which should she do first?
Answer
A
She can use the associative property to rewrite the expression as .
B
She can use the associative property to rewrite the expression as .
C
She can use the commutative property to rewrite the expression as .
D
She can use the commutative property to rewrite the expression as .