Math grade 7

Math grade 7

Ratio and proportions

To divide a quantity into a given ratio, follow this steps:

•  Add the number of parts together.

• Divide the amount to be shared by the total number of parts to find the value of 1 part.

• Multiply to work out the value of each share.

Open Ended

For every 5 adult monkeys in a zoo there are 4 infant monkeys. Of the 72 monkeys altogether, how many adults are there?

Open Ended

The ratio of cordial to water in a drink is 3 : 7. How much cordial and water do you need to make 2 litres of drink?