Percentages of amounts
Find 10% first, then build the percentage you need from 10% and 5% pieces.
Flashcard deck
Fractions, decimals and percentages
Common fractions as decimals and percentages, each shown on a hundred square.
Ages 9–1439 cards
Try three cards
Tap a card to turn it over and see why.
7/10 as a decimal
7/10 as a decimal = 0.77/10 of the square is 70 out of 100, so 0.7.
0.3 as a percentage
0.3 as a percentage = 30%0.3 is 30 hundredths: 30 out of 100 = 30%.
10% as a fraction
10% as a fraction = 1/1010% is 10 out of 100, which is 1/10.
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Start practisingAll 39 facts in this deck
- 1/2 as a decimal = 0.5
- 1/4 as a decimal = 0.25
- 3/4 as a decimal = 0.75
- 1/5 as a decimal = 0.2
- 2/5 as a decimal = 0.4
- 3/5 as a decimal = 0.6
- 4/5 as a decimal = 0.8
- 1/10 as a decimal = 0.1
- 3/10 as a decimal = 0.3
- 7/10 as a decimal = 0.7
- 9/10 as a decimal = 0.9
- 1/20 as a decimal = 0.05
- 1/25 as a decimal = 0.04
- 0.5 as a percentage = 50%
- 0.25 as a percentage = 25%
- 0.75 as a percentage = 75%
- 0.2 as a percentage = 20%
- 0.4 as a percentage = 40%
- 0.6 as a percentage = 60%
- 0.8 as a percentage = 80%
- 0.1 as a percentage = 10%
- 0.3 as a percentage = 30%
- 0.7 as a percentage = 70%
- 0.9 as a percentage = 90%
- 0.05 as a percentage = 5%
- 0.04 as a percentage = 4%
- 50% as a fraction = 1/2
- 25% as a fraction = 1/4
- 75% as a fraction = 3/4
- 20% as a fraction = 1/5
- 40% as a fraction = 2/5
- 60% as a fraction = 3/5
- 80% as a fraction = 4/5
- 10% as a fraction = 1/10
- 30% as a fraction = 3/10
- 70% as a fraction = 7/10
- 90% as a fraction = 9/10
- 5% as a fraction = 1/20
- 4% as a fraction = 1/25
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