Year 8
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Lesson details
Key learning points
- In this lesson, we will learn how to calculate proportion problems using a table.
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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5 Questions
Q1.
If a double number line starts with 4 on the top and 3 on the bottom, what will be the first number that appears both above and below the lines?
18
24
9
Q2.
On a double number line, 10 is above the line and 40 is below the line. What is the constant of proportionality?
1
10
40
Q3.
On a double number line, 4 is above the line and 4.8 is below the line. What is the constant of proportionality?
0.8
4
4.8
Q4.
What is the missing number (indicated by the empty box) on this number line?
0.6
16
8
Q5.
What is the constant of proportionality for this number line?
16
2.4
8
5 Questions
Q1.
Fill in the gap: If two quantities are in the same ratio then there are _______ relationships I can use to find a missing value.
four
one
three
Q2.
Lots of the same groups of yellow and red counters are put in a bag. Fill in the missing value in the ratio table.
1.25
25
6.25
Q3.
Lots of the same groups of yellow and red counters are put in a bag. Fill in the missing value in the ratio table.
1.3
3.9
6
Q4.
Lots of the same groups of yellow and red counters are put in a bag. Fill in the missing value in the ratio table.
16.1
2.3
5
Q5.
Yellow and red counters are in the ratio 2 : 3. What fraction of the counters are yellow?
2/3
3/2
3/5