TEST EIGHT STUDENT ID: NAME:
1) -5 - 21 =

2) 13 - -11 =

3) 9 + -5 =

4) -39 + -31 =

5) -12 - 4 =

6) 10 + -7 =

7) 7 + -2 =

8) How much more is -22 than -47?

9) How much less is -42 than 12?

10) -773 - 394 =

11) 50 + -78 =

12) -67 + 227 =

13) 34 - 37 =

14) 15 - 16 =

15) -539 + 383 =

16) -8 - -5 =

17) 22 + -29 =

18) -10 - 5 =

19) 10 + -7 =

20) It was -9 degrees at Martha's house when she woke up Saturday morning. The temperature dropped another 18 degrees by noon. What was the noon time temperature?