Year 8
Graphs of proportional relationships
Year 8
Graphs of proportional relationships
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Lesson details
Key learning points
- In this lesson, we will recognise and interpret the graphical representation of a proportional relationships.
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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7 Questions
Q1.
The number of pens are directly proportional to the cost. What is the missing number?
£1.40
£8.40
Q2.
The number of rulers are directly proportional to the cost. What is the missing number A?
+2
+4
x 2
Q3.
The number of rulers are directly proportional to the cost. What is the missing number B?
£12.60
£8.40
Q4.
x and y are directly proportional. What is the missing number in the box?
+ 14
x 2
Q5.
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?
£14.50
£15.50
Q6.
Which description cannot go that can go in the arrow?
divide by 2
multiply by 1/2
Q7.
Which number is missing from the box?
+1
x 0.5
5 Questions
Q1.
Which graph does not show to direct proportion?
A
B
Q2.
Which graph shows direct proportion?
B
C
Q3.
Which table does not shows direct proportion?
A
B
Q4.
Which table does not shows direct proportion?
B
C
Q5.
x and y are directly proportional as shown in the graph. What is the value of y when x = 10?
20
22