Converting Rational Numbers
Word Problems
Adding
Rational Numbers
Subtracting
Rational Numbers
Multiplying/Dividing
Rational Numbers
100

Write -.8 as a fraction in simplest form.

What is -8/10= -4/5

100

Lauren spent 1 3/4 hours doing homework and 2 1/4 hours reading. How many more hours did Lauren spend reading?

What is 1/2 hour

100
-7/8 + 1/4
What is -5/8
100
-3 1/3 - 5/6
What is -4 1/6
100
1.8 (-5.1)
What is -9.18
200

Write -2 8/25 as a decimal.

What is -2.32

200

Jamie is making chocolate cupcakes. The recipe calls for 2/3 cup cocoa. She wants to make 1/2 of the recipe. How much cocoa will she need?

What is 1/3 cups of cocoa

200
-6 1/3 + 20/3
What is 1/3
200
-20.5 - (-20.5)
What is 0
200
-0.18/0.03
What is -6
300

Write 6.12 as a fraction in simplest form.

What is 6 3/25

300

How many bows can you make from 4 1/4 meters of ribbon if 1/3 of a meter of ribbon makes one bow?

What is 12 3/4

300
-12.5 + 15.3
What is 2.8
300
-8.4 - 6.7
What is -15.1
300
5/6 (-8/15)
What is -4/9
400

Write -17/40 as a decimal.

What is -0.425

400

Each dinner at the Shady Tree Truck Stop is served with 1/2 cup corn. If there about 4 cups of corn in a pound, about how many dinners could be served using 16 pounds of corn?

What is 128

400
-8.15 + (-4.3)
What is -12.45
400
4 1/2 - 5 1/4
What is -3/4
400
5/6 (-4 1/2) (-2 1/5)
What is 8 1/4
500

Write -12.375 as a fraction in simplest form.

What is -12 3/8

500

An artist is cutting pieces of ribbon to use in a project. Each piece he cuts measures 7/8 inch. The artist cuts off 5 pieces. How many total inches of ribbon has he cut off?

What is 4 3/8.

500
0.65 + (-2.75)
What is -2.1
500
-8 3/8 - 10 1/6
What is -18 13/24
500

a. -8/9 / -8/9 b. Identify the vocabulary term(s) that this example illustrates.

What is a. 1 b. reciprocal/multiplicative inverse property