Direct proportion (Part 3)

Maths

Direct and indirect proportion

The number of pens are directly proportional to the cost. What is the missing number?

The number of rulers are directly proportional to the cost. What is the missing number A?

The number of rulers are directly proportional to the cost. What is the missing number B?

x and y are directly proportional. What is the missing number in the box?

A shop sells ribbon for £3 per metre.  The length of the ribbon is directly proportional to its cost. What is the cost of 5.5 metres?

Which description cannot go that can go in the arrow?

A chain costs 8p per 2cm. The cost and length are directly proportional. What is the cost of 6 cm?

The number of text messages sent and the cost are directly proportional. It costs 60  pence to send 10 text messages. What is the cost of sending 20 text messages?

The number of text messages sent and the cost are directly proportional. It costs 60 pence to send 10 text messages. What is the cost of sending 5 text messages?

If 4 ice creams cost £4.80, what is the cost of 12 ice creams?

The cost and the number of mugs are directly proportional.

The cost and the number of mugs are not directly proportional.

Look at the table below. Choose the correct statement that describes the relationship between the number of mugs and the cost of the mugs.

The number of hours worked and the pay are directly proportional.

The number of hours worked and the pay are not directly proportional.

Look at the table below. Choose the correct statement that describes the relationship between the number of hours worked and the pay.

This lesson will soon be taken down.

Direct proportion (Part 3)

Lesson outcome