Adding, Subtracting & Multiplying Rational Numbers

Adding Rational Numbers

100

Evaluate: 

145+55

200

200

Evaluate: 

-20 + (-10) =

-30

300

Evaluate: 

-10 + 15 =

5

400

Evaluate: 

-16 + 8 =

-8

500

Evaluate: 

(-32) + 32 =

0

Subtracting Rational Numbers

100

Evaluate: 

300-120 =

180

200

Evaluate:

 -12 - 6 =

-18

300

Evaluate: 

-60 - 10 =

-70

400

Evaluate: 

-20 - (-10) =

-10

500

Evaluate: -400 - (-600) =

200

Multiplying rational Numbers

100

A negative number multiplied by a negative number (-.-) = a ____ number?

Positive number

200

A positive number multiplied by a negative number (+.-) = a _____ number?

Negative number

300

Evaluate: 

5(-3)

-15

400

Evaluate 

-10(-8)

80

500

Evaluate: 

9(-7)

-63

Adding Subtracting or Multiplying 3 or More

100

Evaluate: 

-20 + 40 - 10

10

200

Evaluate: 

-6-12-2=

-20

300

Evaluate: 

(-2)(8) + 10

-6

400

Evaluate:

20 + (-5) - (-10)

25

500

Evaluate: 

12 + (-4) + 2

10