Operations with Rational Numbers

Order of Operations

100

12 x (6/2) - 7

What is 29?

200

60 x 3/(2)²

What is 45?

300

-9(2.7 - 1.55) + 3³ 

What is 16.65?

400

[-3(5/6 - 2/3)]³

What is -1/8?

500

(5/8 x 3/5)² - 1 + 3/4 x (-1/2) 

What is -1 and 15/64?

Adding Rational Numbers

100

-3.15 + -2.25

What is -5.40?

200

0.38 + (-1.2)

What is -0.82?

300

9/25 + (-17/25)

What is -8/25?

400

-5/12 + 1/4

What is -1/6?

500

2/3 + (-4/9) + 7/18

What is 11/18?

Subtracting Rational Numbers

100

5/6 - 1/4 

What is 7/12 ?

200

- 4/13 - 8/13

What is -12/13 ?

300

-0.06 - (-0.86)

What is 0.8 ?

400

-5/12 - (-2/24) = ____

What is -1/3 ?

500

5/6 - 2/3 - (-3/8)

What is 13/24?

Multiplying Rational Numbers

100

5(1/3)

What is 1 and 2/3 ?

200

-3.2 x 5

What is -16?

300

-1/6 (-2/3)

What is 1/9?

400

(-2/3)³

What is -8/27 ?

500

-3 and 3/5 x -2 and 1/3

What is 8 and 2/5?

Dividing Rational Numbers

100

1/4 divided by 3/8

What is 2/3?

200

-20 divided by 0.5

What is -40?

300

-15 divided by -5/8

What is 24?

400

3/4 divided by -7/6 divided by 10/7

What is -9/20?

500

-1 and 7/11 divided by -9/22

What is 4?