Grade 5 · Number · Cambridge Primary Stage 5
Per hundred; shading grids
Fraction ↔ Decimal ↔ %
Find 10%, then build up
What % is A of B?
Convert to % first
The word "percent" comes from Latin meaning per hundred. A percentage tells you how many out of 100.
These three forms all show the same amount. You need to know the key ones by heart:
To put a mix of fractions, decimals and percentages in order, convert them all to percentages first.
Find a percentage of an amount, with step-by-step working.
Enter the percentage as a whole number (e.g. enter 25 for 25%).
1. 1/2 = ?%
2. 0.25 = ?%
3. 3/4 = ?%
4. 0.1 = ?%
5. 1/5 = ?%
6. 0.4 = ?%
7. 1/4 = ?%
8. 0.75 = ?%
9. 2/5 = ?%
10. 0.2 = ?%
Find the percentage of each amount. All answers are whole numbers.
1. 50% of 80
2. 25% of 48
3. 10% of 70
4. 30% of 60
5. 75% of 40
6. 20% of 55
7. 40% of 90
8. 15% of 80
9. 60% of 70
10. 5% of 120
Enter the percentage as a whole number.
1. 15 is what % of 60?
2. 12 is what % of 48?
3. 20 is what % of 80?
4. 9 is what % of 36?
5. 30 is what % of 50?
6. 7 is what % of 70?
7. 18 is what % of 90?
8. 5 is what % of 20?
9. 24 is what % of 40?
10. 35 is what % of 140?
Enter 1 if the first value is bigger, enter 2 if the second value is bigger.
1. Is 3/8 bigger or smaller than 40%? (1 = 3/8 is bigger, 2 = 40% is bigger)
2. Is 0.3 bigger or smaller than 25%? (1 = 0.3 is bigger, 2 = 25% is bigger)
3. Is 1/2 bigger or smaller than 45%? (1 = 1/2 is bigger, 2 = 45% is bigger)
4. Is 0.65 bigger or smaller than 3/5? (1 = 0.65 bigger, 2 = 3/5 bigger)
5. Is 1/4 bigger or smaller than 30%? (1 = 1/4 bigger, 2 = 30% bigger)
6. Is 0.7 bigger or smaller than 3/4? (1 = 0.7 bigger, 2 = 3/4 bigger)
7. Is 4/5 bigger or smaller than 78%? (1 = 4/5 bigger, 2 = 78% bigger)
8. Is 0.33 bigger or smaller than 1/3? (1 = 0.33 bigger, 2 = 1/3 bigger)
9. Is 60% bigger or smaller than 0.6? (1 = 60% bigger, 2 = 0.6 bigger)
10. Is 9/10 bigger or smaller than 85%? (1 = 9/10 bigger, 2 = 85% bigger)
Find the new price after the increase or decrease.
1. A coat costs £40. Price increases by 25%. New price?
2. A game costs £60. Price decreases by 10%. New price?
3. A book costs £20. Price increases by 50%. New price?
4. A TV costs £300. Price decreases by 20%. New price?
5. A shirt costs £24. Price increases by 25%. New price?
6. Tickets cost £80. Price decreases by 15%. New price?
7. A phone costs £200. Price increases by 30%. New price?
8. Food bill is £50. 10% off. New price?
9. Shoes cost £90. 20% increase. New price?
10. Rent is £600. 5% increase. New rent?
1. 1/2 as a percentage?
2. 25% of 80 = ?
3. 18 is what % of 72? (enter whole number)
4. 0.6 as a percentage?
5. 40% of 55 = ?
6. Price is £50. Decreases 20%. New price?
7. 3/4 as a percentage?
8. 10% of 340 = ?
9. 5 is what % of 25?
10. 75% of 200 = ?
11. 0.05 as a percentage?
12. 35% of 60 = ?
13. 24 is what % of 60?
14. Price is £80. Increases 25%. New price?
15. 2/5 as a percentage?
16. 60% of 90 = ?
17. 16 is what % of 80?
18. Price is £120. Decreases 30%. New price?
19. 1/10 as a percentage?
20. 80% of 45 = ?
1. A jacket is £80. It is reduced by 30%, then reduced by a further 10% of the new price. What is the final price?
2. 45 out of 180 students walk to school. What percentage walk? (enter whole number)
3. A shop sells 600 items. 35% are clothes, 45% are electronics. How many items are neither? (enter the number)
4. A price increases from £40 to £52. What is the % increase?
5. 15% of a number is 12. What is the full number?
6. Order these from smallest: 3/8, 40%, 0.35. Which has the smallest value — enter 1 for 3/8, 2 for 40%, 3 for 0.35.
7. Sam scores 36 out of 48 on a test. What is his percentage score?
8. A school has 400 pupils. 55% are girls. How many boys are there?