Fundamentals
A.5
Decide which property was used to go from one side of the equal sign to the other
(choose either Commutative Prop of Addition (CA), Commutative Property of Multiplication (CM),
Associative Prop of Addition (AA) or Associative Prop of Multiplication (AM))
1. 5  7  7  5 _______
2. 5(7)  7(5) _______
4. (5  7)  1  (7  5)  1 _______
7. (5  7)  2  (7  5)  2 ____
3. (5  7)  2  5  (7  2) _______
5. (5  7)  3  (7  5)  3 _____ 6. 5(7)(2)  7(5)(2) _______
8. (5  7)  2  5  (7  2) ___ 9. 5  (7  1)  (5  7)  1 _______
Given each problem below, place parentheses ( ) or brackets [ ] where they would be anyway because
of order of operations; then evaluate each expression using PEMDAS (Order of Operations).
10. 8  9  3
13.
12  8 8

12  2 2
11. 12  3  9  2
12. 13  2(9  6)
14. 2  3  5  4  2  2
ONLY FOR BRILLIANT STUDENTS!!
Place (
) appropriately so your answer equals the one given:
15. 2  2  2  2  2  2
16. 2  2  2  2  2  10
17. 2  2  2  2  2  2  0