Fractions Of Amounts (Year 3)
Find a fraction of a quantity by dividing and multiplying.
The questions below are generated to match the National Curriculum for Year 3 and get harder as you progress from Rookie to Guru.
Worked examples
RookieRead and interpret directly.
There are 12 books. 1/2 of them are chosen. How many is that?
- 6
- 24
- 12
Answer: 6. 1/2 of 12: divide by 2 then multiply by 1. 12 ÷ 2 = 6, then × 1 = 6.
ProCompare and infer.
There are 21 marbles. 2/3 of them are chosen. How many is that?
- 14
- 7
- 11
- 63
Answer: 14. 2/3 of 21: divide by 3 then multiply by 2. 21 ÷ 3 = 7, then × 2 = 14.
GuruMulti-step reasoning.
A group has 30 pupils. 3/5 of them choose apples and the rest do not. How many do NOT?
- 150
- 18
- 30
- 12
Answer: 12. 3/5 of 30 = 18 did, so 30 − 18 = 12 did not.
Related skills
Frequently asked questions
- What is fractions of amounts?
- Find a fraction of a quantity by dividing and multiplying.
- How can my child practise fractions of amounts at home?
- Work through the examples below, then start a free adaptive session. Northstar adjusts the difficulty automatically and tracks mastery over time.
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