Page 78 - Mathematics Coursebook
P. 78
7.2 Recognising equivalent fractions, decimals and percentages
3 Use the numbers from the box to complete the following. 1 3 4
You can only use each number once. 10 80% 4 50% 0.3 0.12 5
You should have no numbers left at the end.
a 0.5 = b 3 = c = 75%
10
d 0.1 = e 12% = f =
4 In the game of dominoes players lay out their dominoes end to end.
The touching ends must be the same number, even if it is not in the same form.
For example these three dominoes could be arranged like this.
1 9
0.2 10 0.1 70% 0.7 10
1 is the same as 0.1. 70% is the same as 0.7.
10
Work out how to arrange these ten dominoes, end to end.
1
9
30% 5 3 10
5
3
0.9 4
4 50% 5
1
2
75% 5 0.2 4
25% 0.6 0.4 0.4
1
40% 2 0.8 0.1
5 In a maths test, Archie got 1 of the questions wrong.
5
a What was Archie’s percentage score?
b Explain why it is not possible to work out his actual score.
7 Fractions 77