Year 8
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Lesson details
Key learning points
- In this lesson, we will learn about conversion rates that are in the same ratio, and those that change. We will model problems and solutions involving conversion rates.
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This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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5 Questions
Q1.
Three of the same pen cost £5.40. How much do six of the same pen cost?
£10.40
£9.00
£9.80
Q2.
Pete is painting the walls of his bedroom. So far he has used 5 litres of paint and covered 24 m² of wall. What area will 20 litres cover?
100 m²
48 m²
72 m²
Q3.
Pete is painting the walls of his bedroom. So far he has used 5 litres of paint and covered 24 m² of wall. How much paint will 480 m² of wall require?
10 litres
20 litres
50 litres
Q4.
Ribbon is sold at a rate of £3 per 2 m. How much would I pay for 9 m of ribbon?
£15.00
£27.00
£33.00
Q5.
Amara is going on holiday. For every £15 she exchanges, she will receives $19. How much money will she get if she exchanges £112.50?
$190.00
$285.00
$88.81
5 Questions
Q1.
Fill in the gap: conversion rates are _______________.
only one way
small
uni-directional
Q2.
Which of the following is an example of a conversion rate that is is a constant ratio?
Dollars per pound
Miles per gallon
Pounds per minute
Q3.
Given that there are 1440 minutes in a day, how many days is 10080 minutes?
5
6
8
Q4.
Martin went on holiday to Sweden. The exchange rate is £1 to 1.15 euros (€). He exchanges £660 into euros. How many euros should he receive?
€573.91
€658.85
€661.15
Q5.
Martin went on holiday to Sweden. The exchange rate is £1 to 1.15 euros (€). He receives 414 euros. How many pounds did he exchange?
£260.00
£415.15
£476.10