Ratios

Simplest Form

100

24:36

2:3

200

40:8

5:1

300

56:42

4:3

400

6:9:36

2:3:12

500

25: 100: 10

5: 20 : 2

Equivalent Ratios

100

1: 3 = __ :21

7 

200

__: 5 = 36: 45

4

300

5:5 = 7: ___

7

400

James has three times as many football cards as Matthew. What is the ratio of James' cards to Matthew's?

3:1

500

2: 12 : 24 = 1: ___: 12

6

? Quantity

100

Evelyn and Sophi are sharing 56 pieces of candy in a ratio of 3:5. How many pieces of candy will each girl get?

8 units = 56

1 unit = 56/8 = 7

Evelyn = 3 x7 = 21

Sophi = 5 x 7 = 35

200

A string that is 98 cm long is cut into 2 pieces in a ratio of 4:3. What is the length of each piece?

7 units = 98

1 unit = 98/7 = 14

4 x 14 = 56; 3 x14 = 42

56 cm  and 42 cm

300

The ratio of boys to girls at a party was 4:8. If there were 40 girls, how many children are at the party?

60 children

400

The ratio of boys to girls in a soccer club is 3:7. There are 84 more girls than boys. How many children are in the soccer club?

4 units - 84

1 unit - 21

10 units = 210

210 children

500

A store had 100 bags of Cheetos and 150 bags of Lays. It sold 60 bags of Cheetos and 85 bags of Lays. What is the ratio of the bags of Lays to the ratio of Cheetos? Express in simplest form

100-60 = 40

150-85 = 65

40: 65 = 13:8

13:8

Comparing 3

100

Which of the following is an equivalent ratio of 4:12:26?

4:6:13            8:24:13              

2:6:13            1:3:13

2:6:13

200

Write 8:4:2 in simplest form

4:2:1

300

The ratio of the price of a slice of pizza to the whole pizza is 1:4. The price of the whole pizza is $8.40. What is the price of the slice of pizza?

$2.10

400

Missing numbers

2:5:15 = 100: ____: _____

250, 750

500

Missing numbers? 

6:4:3 = 96: __: ___

64, 48