Year 8
Direct proportion (Part 1)
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Lesson details
Key learning points
- In this lesson, we will explore real life scenarios involving direct proportion and model solutions.
Licence
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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6 Questions
Q1.
Four apples cost 96p. Each apple costs the same price. Use the bar model to help you find the cost of 1 apple.
£0.72
0.24
72 p
Q2.
The cost of 10 text messages is 60 pence. What is the cost of 5 text messages?
10 p
5 p
6 p
Q3.
The cost of 10 text messages is 60 pence. What is the cost of 20 text messages?
£0.40
£1.2
£12
Q4.
If 4 ice creams cost £4.80, what is the cost of 1 ice cream?
£120
120
Q5.
If 4 ice creams cost £4.80, what is the cost of 12 ice creams?
12.2
12.20
14.4
Q6.
If 4 ice creams cost £4.80, what is the cost of 7 ice creams (Hint: you can use our answer to question 4 to help you with this).
£8.04
8.4
8.40 p
6 Questions
Q1.
Alex goes to a fair. He wants to go on 6 rides. Each ride costs £2. How much will he pay?
£10
£8
Q2.
The cost of four pencils is £1.60 What is the cost of one pencil.
£0.4
0.4
Q3.
The cost of four pencils is £1.60. What is the cost of 12 pencils?
£19.20
£2.80
Q4.
It costs 60 p to send text messages. Alex has been charged £3 for text messages by Vodafone. How many text messages did he send?
0.05
180
4
Q5.
Which rule connects n to C?
n = 4C
n = C - 3
n = C + 3
Q6.
True or False? A graph of direct proportion always starts at the origin.
False