Solving Problems with Positives and Negative Numbers

Adding Positives and Negative

100

Solve 

3.2 + (-4) =

-0.8

200

Solve 

(-6) + (-8) =

-14

300

Solve 

(-6.5) + 12 =

5.5

400

Solve 

-15.2 + (-6.5) =

8.7

500

Solve 

-9.5 + 4 =

-5.5

Subtracting Positives and Negative

100

Solve 

5 - (-2) =

7

200

Solve 

(-6) - (9) =

3

300

Solve 

16.5 - (4) =

12.5

400

Solve 

-20 - (-6) =

-14

500

Solve 

(-6.8) - (-2) =

-4.8

Multiplying Positives and Negative

100

Solve 

2 x (-9) =

-18

200

Solve 

(-6) x (-7) =

42

300

Solve 

8 x (-3) =

-24

400

Solve 

3.2 x (-1.4) =

-4.48

500

Solve 

(-5.5) x (-1.2) =

6.6

Dividing Positives and Negative

100

Solve 

12 / (-4 )=      

-3

200

Solve 

-25 / (-5 )=      

5

300

Solve 

21 / (-7 )=      

-3

400

Solve 

20 /  2=      

10

500

Solve 

-50 / (-5)=      

10

Find the Missing Variable

100

What does c equal?

-7 +c=14

-21

200

What does b equal?

10-b=9

1

300

What does x equal?

x + (-6.2) = 8

14.2

400

What does y equal?

30 - y = -15 

45

500

What does x equal?

x + (-19) = 15

-34