Chapter 3 Review

Adding/SubtractingFractions

100

Find the sum:

1/5 + 2/3

13/15

200

Find the difference:

7/8 - 2/5

19/40

300

Find the sum:

3/10 + 1/50

16/50 or 8/25

400

Find the sum. Express your answer as a mixed number in simplest form.

1/5 + 2/3 + 1/2

1 11/30

500

Find the difference. Express your answer in simplest form.

16/19 - 5/76

59/76

EquivalentFractions/Simplest Form

100

Express as a fraction:

4 ÷ 11

4/11

200

Simplify:

15/25

3/5

300

Use division to find an equivalent fraction:

24/36

12/18, 6/9, 2/3

400

Simplify:

19/57

1/3

500

Express in simplest form:

150000/450000

1/3

Mixed Numbers &Improper Fractions

100

Express as a mixed number:

6/5

1 1/5

200

Express as an improper fraction:

1 3/7

10/7

300

Express as a mixed number:

21/8

2 5/8

400

Express as an improper fraction:

12 11/12

155/12

500

Express as a mixed number in simplest form:

66/20

3 3/10

GCF/LCD

100

What is the greatest common factor of 9 & 12?

3

200

Find the least common denominator:

1/7 + 2/4

28

300

Find the GCF:

8, 16, 40

8

400

Find the LCD:

11/12 - 3/8

24

500

Find the GCF:

17, 68

17

Adding/SubtractingMixed Numbers

100

Find the sum:

1 1/3 + 1 1/2

2 5/6

200

Use benchmark fractions to find the best estimate:

8 5/11 - 3 1/10

5 1/2

(8 1/2 - 3)

300

Find the sum in simplest form:

2 5/6 + 3 11/12

6 3/4

400

Find the difference (simplify your answer):

7 1/6 - 2 2/3

4 1/2

500

Find the sum:

4/9 + 1 3/4 + 7/12

2 28/36 = 2 14/18 = 2 7/9

Word Problems/Riddles

100

A baker had 5 1/2 pounds of sugar. He used 3 5/6 pounds in a recipe. How much sugar does the baker have left? Simplify your answer.

The baker has 1 2/3 pounds of sugar left.

200

Kyle makes 1 pound of chip dip using salsa, cream cheese & shredded cheddar cheese. The list below shows how many pounds of salsa and cream cheese he used:

salsa - 1/4 pound

cream cheese - 2/3 pound

How much shredded cheddar cheese, in pounds, did Kyle use?

Kyle used 1/12 pound of shredded cheddar cheese.

300

Laura uses 3 1/6 cans of green paint, 2 5/6 cans of blue paint, and 3/4 can of white paint to paint her new apartment. Estimate how many cans of paint Laura used.

Laura used about 7 cans of paint (3 + 3 + 1).

400

Laura uses 3 1/6 cans of green paint, 2 5/6 cans of blue paint, and 3/4 can of white paint to paint her new apartment. Exactly how many cans of paint did Laura use? Simplify your answer.

Laura used 6 3/4 cans of paint.

500

A horse is tied to a five meter rope in front of an old saloon. Six meters behind the horse is a bale of hay. Without breaking his rope, the horse is able to eat the hay whenever he chooses. How is this possible?

The rope wasn't tied to anything else.