Inverse proportion in context

Maths

Direct and indirect proportion

It takes 4 builders 6 days to build a wall. How long will it take 2 builders?

It takes builders 6 days to build a wall. How long will it take 8 builders?

It takes 2 people 3 hours to clean the house. How long does it take 6 people to clean?

A journey takes 6 hours if driving at 30 mph. How long should the same journey if the driver drives ta 60mph?

True or False: The circumference of a circle and its diameter are inversely proportional?

Fill in the gaps: Two quantities a and b are said to be directly proportional if one quantity is always a constant ........ of the other.

Fill in the gaps: Two quantities x and y are said to be inversely proportional if x increases as y ............... at the same rate, so their product is constant.

Fill in the gaps: Two variable quantities are said to be ........................ proportional if the product of the two quantities is constant.

Three builders take 15 days to complete a project. How many days does would it take one builder?

It takes 4 friends 6 hours to clean the garden. How long will it take 2?

This lesson will be removed by end of Summer Term 2025.

Inverse proportion in context

Lesson outcome

This lesson will be removed by end of Summer Term 2025.