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Year 9 Fractions, decimals and percentages revision Flashcards | StudBud
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Year 9 Fractions, decimals and percentages revision
Year 9 Fractions, decimals and percentages revision
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Questions
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Answers
1
Work out:
4/5
2
4/10
3
2
Work out 15% of 400
60
40
100
80
3
What do you multiply by to increase a number by 17%?
17
0.17
1.17
117
4
What is three-sevenths of 21?
7
63
9
3
5
What is 8 as a fraction of 12 in its simplest form?
1/2
4/6
2/3
8/12
6
Decrease 600 by 5%
585
595
570
580
7
Increase 500 by 10%
550
600
500.1
510
8
What is 20% as a fraction in its simplest form?
1/5
2/10
2/100
20/100
9
Work out 0.3 x 0.04
0.12
0.012
0.0012
0.00012
10
How do you multiply fractions?
Turn the second one upside down and multiply
Turn the fractions into percenatages
Multiply across the top and bottom
Use a common denominator
