Definitions
Adding/Subtracting Fractions
Ratios
Multiplying Fractions
Converting Fractions
100
What is a ratio?

A comparison of 2 numbers. Written as 4:1, 4 to 1 or 4/1

100

3/4 + 1/4

4/4 or 1

100

Mr. Reeves planted 5 bean plants and 12 tomato plants in his garden. What is the ratio of bean plants to tomato plants?

5:12

100

1 * 1/4

1/4

100

Mixed Number

56/7

8

200

What is a numerator?

The top part of a fraction that represents the number of parts that are counted.

200

3/5 - 1/5

2/5

200

The ratio of boys to girls is 1:1. If there are 250 boys, how many girls are there?

250:250

200

Solve. Simplify your answer.

5*4/5

4

200

Improper Fraction

5 1/3

16/3

300

What is a denominator?

The bottom part of a fraction. It represents the total number of equal parts in the whole.

300

4/6 - 1/2

1/6

300

3/5 = x/15

x = 9

300

Solve. Simplify your answer.

2*2/6

2/3

300

Mixed Number

18/4

4 1/2

400

What is a unit ratio?

It is a ratio that compares a number to 1.

400

1/8 + 1/3

11/24

400

The ratio of students getting an "A" in math to students getting a "B" is 1:2. If 22 students received an "A", how many received a "B"?

22:44

400

1/2 * 3/4

3/8

400

Decimal

6/8

0.75

500

What is a proportion?

A comparison of two ratios in an equation. Each ratio must be equivalent in order to be proportional.

500

7/9 - 1/4

19/36

500

Is this proportional?

3/15 = 9/45

Yes. 

500

Solve. Simply your answer.

5*4/36

5/9

500

Decimal

4/11

0.363636...

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