Year 8 Ratios

Writing Ratios

100

Using words, write 3:4

3 to 4

3 is to 4

200

Write a class ratio for girls:boys

?

300

There are 10 white marbles and 3 blue marbles. What is the ratio of white to blue marbles?

10:3

400

There are 27 white marbles and 13 blue marbles. What is the ratio of white to all marbles?

27:40

500

There are 2 red blocks, 3 orange blocks, and 4 black blocks. What is the ratio of all to black blocks?

9:4

Simplifying Ratios

100

Simplify 4 : 6

2 : 3

200

Simplify 10 : 20

1 : 2

300

Simplify 44 : 11

4:1

400

Simplify 24 : 30

4 : 5

500

Simplify 8 : 28

2 : 7

Your Teacher

100

Do I still live with my parents?

No, I moved out last month

200

What fitness do I do? (there are 2)

Dance and Gym (Airlocker)

300

How old are my cats?

14

400

Which artist did I take Daniel to see last month?

Luke Combs

500

Where am I planning my next trip to?

Tokyo Disneyland (Japan)

Equivalent Ratios

100

What is the missing term that will make the ratios equivalent? 1 : 2 = ____ : 8

1 : 2 = 4: 8

200

What is the missing term that will make the ratios equivalent? 2 : 3 = 12 : _____

2 : 3 = 12 : 18

300

What is the missing term that will make the ratios equivalent? 3 : 7 = ____ : 21

3 : 7 = 9 : 21

400

What is the missing term that will make the ratios equivalent? 2 : 5 = 14 : ____

2 : 5 = 14 : 35

500

What is the missing term that will make the ratios equivalent? 5 : 9 = ____ : 108

5 : 9 = 60 : 108

Ratios with Decimals

100

1.1 : 2

11 : 20

200

1.5 : 2

15 : 20 = 3 : 4

300

2.7 : 9

27 : 90 = 3 : 10

400

2.8 : 0.21

280 : 21 = 40 : 3

500

5.60 : 0.8

56 : 8 = 7 : 1