Adding Rational Numbers
Subtracting Rational Numbers
Multiplying Rational Numbers
Dividing Rational Numbers
Vocabulary
100

3.7 + 9.4

13.1

100

-4.2 - (-4.2)

0

100

-4.2 x 3

-12.6

100

4.2/-2

-2.1

100

What is an integer?

A negative/positive whole number

200

-8.5 + (-6.3)

-14.8

200

24.9 - 4.1

20.8

200

-8.1 x -2.1

17.01

200

5.3/1.1 

4.818181...

200

Give an example of a rational number

2

3.5

6.77777...

1/3

Answers will vary

300

-10.1 + 3.4 

-6.7 

300

17.5 - (-6)

23.5

300

3.5 x 5 

17.5 

300

-7.8/3

-2.6

300

Give an example of an irrational number

pi

8.72658171641...

Answers will vary 

400

38.2 + (-21.1)

17.1

400

-14.2 - 8.7

-22.9

400

-3 x 4.1 x -1 

12.3

400

16.5/4.5

3.66666...

400

How do you find constant of proportionality?

k=y/x

500

-12.7 + 14.6 + 3.1

5

500

13.3 - 16.1 - (-8.3)

5.5

500

5.7 x -4.2 x 1.2 

-28.728

500

24.8/-9

-2.755555...

500

What is the additive inverse of the following numbers:

-4

5

-3.6

8.1

4

-5

3.6

-8.1

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