Math Practice Test Answers 

NOTE:  the "c" in # 3-4 is for "cents". 

 

1. 17

2. 20

3. (60c + 25c) - 45c

4.40c - (10c + 5c)   OR  40c - 10c - 5c

5. 79

6. 0

7. Associative

8. Commutative

9. d = 6

10. y = 11

11. 22-12 = g   OR g + 12 = 22

12. t = 25 + 45  OR 25 + 45 = t

13. Rule-Add 12,   a + 12 = b

14. Rule- Subtract 8,  c - 8 = d

15. 12, 15

16.  6, 8

17. 1 nickel, or 5 pennies

18. 7

19. 8 + p = 21

20. p + 6 = 21  OR 21 - 6 = p