Rational Number Operations

Adding Rational Numbers

100

-3.82 + 5.45

What is 1.63?

200

-5 3/4 + 15 1/2

 

What is 

9 3/4  ?

300

-34.87 + 16.98

What is -17.89?

400

Evaluate the expression below. Write your answer in simplest form. 

-3/4 + 34/8

What is 

3 1/2 or 7/2 ?

500

-3 1/3 + |- 2 1/6| + (-2 2/3)

What is 

-3 5/6 or -23/6 ?

Subtracting Rational Numbers

100

Evaluate the expression below. Write your answer in simplest form. 

-5 1/5 - 3/10

What is  

-5 1/2 or -11/2?

200

8.39 - 14.21 

What is -5.82?

300

Evaluate the expression below. Write in simplest form. 

7 2/3 - 4 1/2

What is

3 1/6 or 19/6 ?

400

-2.2 - 8.4

What is -10.6?

500

-11 1/5 - 8 1/4 - (-12 1/5 )

What is 

-29/4 or -7 1/4?

Multiplying Rational Numbers

100

-8(-7) 

What is 56?

200

(7.9)(-3.5)

What is -27.65?

300

4 2/5 * - 3 2/11

What is 

  -14  ?

400

2/3 (-6 * 4 1/2)

What is -18?

500

Evaluate the expression below. Write your answer as a fraction in simplest form. 

5/12 ( 4/3+2/5) - 2/9

What is 

1/2?

Dividing Rational Numbers

100

-18 divide 3

What is 

-6?

200

-25 divide -2.5

What is 

10?

300

5 1/4 divide-2 5/8

What is

-2 ?

400

-9.9 divide 1.2

What is 

-8.25 ? 

500

-8 1/3 divide 5/6 - 2/3

What is 

- 10 2/3?

Writing Rational Numbers as Decimals and Fractions

100

Write the decimal -0.8 as a fraction in simplest form

What is

-4/5 ?

200

Write 7/9 as a decimal.

What is 0.777777...?

300

What is 4/5 as a decimal?

0.8

400

Write -4.45 as a fraction in simplest form.

What is 

-4   9/20?

500

Order the following from least to greatest: 

-3/4, 0.5, 2/3, -7/3, 1.2

What is

-7/3, -3/4, 0.5, 2/3, 1.2 ?