Mid-Unit 1 Study Guide

Find -2.5 + 3.6

• 1.1

• -1.1

• 6.1

• -6.1

Find -8-6

• -2

• -14

• 2

• 14

Find -45/-5

• -9

• -8

• 9

• 8

Find -2.4 * 3.6

• -8.64

• 8.64

• 86.4

• -86.4

Find (-2)(9)

• -11

• 7

• 18

• -18

_______+-5 = -8

• 3

• 13

• -3

• -13

5 + _______=-3

• 8

• -8

• 2

• -2

6 - (-9) = _______

• 54

• 3

• -3

• 15

-9 + _____ = -2

• 7

• -7

• 11

• -11

At 5 P.M. the temperature was 8^o C. By 10 P.M., the temperature had dropped by 6^o. What was the temperature at 10 P.M.?

• 10^o

• 14^o

• -2^o

• 2^o