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What do you think a ratio is?

Can you think of any other ratios in everyday life?

In a class there are 10 girls and 8 boys. What is the ratio of boys to girls in its simplified form?

A

10:8

B

8:10

C

4:5

D

5:4

A paint mixture uses 3 parts blue paint to 8 parts red paint. How much red paint would I need for 600ml of blue paint?

A

1000ml

B

800ml

C

2400ml

D

1600ml

A builder makes concrete using a ratio of 3 parts cement, 2 parts sand, 1 part water. How much sand would he need with 12kg of cement?

A

6kg

B

10kg

C

8kg

D

12kg

The ratio of iphones to android phones sold in the UK is 3:1. If there are 16 million phones sold each year, How many iphones are sold?

A

10 million

B

12 million

C

8 million

D

4 million

Jack drinks a bottle of diluted juice. The bottle is 500ml. If the ratio of juice to water is 1 : 4 how much water is in his bottle?

A

400ml

B

100ml

C

200ml

D

300ml

How do you feel about ratios after our lesson?

😒🙁😐🙂😃