Rational Numbers Jeopardy!

Classifying

100

Is -5 an integer, whole number, or rational number?

Integer and rational

200

Classify and write 0.4 as a fraction in simplest form.

Rational number

2/5

300

Is -12/3 an integer? Why or why not?

Yes!

-12/3 = -4

400

Classify -7/3 as integer, whole, or rational.

Rational only

500

Label the Venn diagram categories

1 = Natural numbers

2 = Whole numbers

3 = Integers

4 = Rational numbers

Adding

100

6 + (-3) =

3

200

2/3 + 1/6 = 

5/6

300

-4.5 + 2.1 =

-2.4

400

-2/5 + (-0.6) =

-1

500

7.25 + (-3 and 1/2) =

3.75

Subtracting

100

10 - 6 =

4

200

-3 - (-7) =

4

300

3/4 - 2/5 =

7/20

0.35

400

-2.8 - 1.3 =

-4.1

500

-5/6 - (-0.25) =

-7/12

Multiplying

100

4(-3) =

-12

200

(-5)(-2.5) =

12.5

300

(-2/3)(3/4) =

-1/2

400

0.5(-7.8) =

-3.9

500

(-1.2)(-3/5)(2) =

*answer in decimal form*

1.44

Dividing

100

12 ÷ (-3) =

-4

200

-20 ÷ 5 =

-4

300

(-3/4) ÷ (1/2) =

-3/2

-1 and 1/2

-1.5

400

-7.5 ÷ (-1.5) =

5

500

(-2 and 1/4) ÷ 0.5 =

-9/2

-4 and 1/2

-4.5