Fractions of a Number Games Online Free
Find a fraction of a whole number, like 1/3 of 12 or 3/4 of 20. Divide by the bottom number, then multiply by the top.
Type answers on your keyboard, or tap the number pad.
Practise these again:
How do you find a fraction of a number?
Divide the number by the bottom number (the denominator), then multiply by the top number (the numerator). For 3/4 of 20: 20 ÷ 4 = 5, and 3 × 5 = 15.
Finding 1/4 of a number is the same as sharing it into 4 equal groups, so this game builds on division facts. Next, try equivalent fractions.
How to play Fractions of a Number
- Choose the 60-second challenge or untimed practice, then press Start.
- Type each answer on your keyboard or tap the number pad. It’s checked as soon as you’ve typed enough digits, or press ✓.
- Get one wrong and you’ll see the right answer, and the question comes back a little later.
- At the end, check your score and the facts to practise again.
Fractions of a Number skills
- Unit fractions of a number (1/4 of 24)
- Non-unit fractions of a number (3/4 of 24)
- Linking fractions to division
Level: Grades 3–5 (ages 8–11)
Tips for fractions of a number
Start with unit fractions: 1/5 of 30 is 30 ÷ 5 = 6.
For 2/5 of 30, find 1/5 first (6), then double it (12).
Half of a number is 1/2 of it, and a quarter is half of a half.
Fractions of a Number questions and answers
What grade learns fractions of a number?
Children usually find unit fractions of small numbers in grade 2 or 3, and non-unit fractions like 3/4 of 20 in grades 3 to 5.
Do the answers include fractions or decimals?
No. Every question uses a number that divides evenly, so the answer is always a whole number.