Math 7 Rational Number Operations Jeopardy

Fractions and Decimals

100

Compare these rational numbers. Use >, <, or =

5.5       5 2/3

5 1/2  <  5 2/3

200

Write the fraction as a decimal. 

31/8

3.875

300

Convert these fractions to their decimal values.

6 5/8

6.625

400

Convert these decimals to their fraction values. 

WRITE FRACTIONS IN SIMPLEST FORM.

-0.585

-117/200

500

Convert this fraction to its decimal form.

5/10

0.5

Adding & Subtracting Rational Numbers

100

Find the sum. Write your answer as a decimal.

-9.2+5.4

-3.8

200

Joaquin recorded a temperature of 62°F this morning for science class. The temperature increased 6 1/2 °F in the afternoon before decreasing 8.7°F in the evening. What was the evening temperature?

59.8 or 59 4/5

300

Find the sum. Simplify, write your answer as a fraction or mixed number.

-2/5+(-7/5)

-9/5 or -1 4/5

400

Subtract these rational numbers.

-23.01 - 8.2

-31.21

500

Find the difference. Simplify, write your answer as a fraction or mixed number. 

-2 2/3-(-1/3)

-7/3 or -1 2/5

Multiplying and Dividing Rational Numbers

100

Find the quotient.

-24/(-4)

6

200

Multiply rational numbers (Simplify any FRACTION answers)

2.3*(-1.4)*1.1

-3.542

300

Find the product.

-4(-6)

24

400

Divide rational numbers (Simplify any FRACTION answers)

1/2 ÷ 3

1/6

500

Find the quotient. Write your answer as a decimal.

3.3/(-2.5)

-1.32

Rules & more

100

A +,+= 

add

200

A +,-=

Subtract

300

The sum of two negative integers is always negative.

True

400

What are integers?

integers are the set of whole numbers and their opposites.

500

Th e sum of an integer and its absolute value is always 0

False