Ages 11–13
BrainteenAges 13–14MathsWorksheet
Probability: sample spaces and combined events (KS3 · Year 9)
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Give fractions in their simplest form. Where the question uses decimals, answer with a decimal.
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About this activity
What your child practises
Quick, accurate calculation and recall of number facts, building the fluency harder maths depends on.
What’s included
- 10 questions
- An answer key you can print with the sheet or on its own
- An on-screen version with instant marking and stars
Age and school year
Made for ages 13–14. That’s Grade 8–9 in the US, Year 9–10 in England, JSS 2–3 in Nigeria and Class 8–9 in India.
How to use it
- Print it at home or school – it fits a standard A4 or US Letter page.
- Print the answer key too, so marking takes seconds.
- Play it on screen: answers are marked instantly and children earn stars.
- Write on it on a tablet or touchscreen with a finger or stylus – no printer needed.
Tips for parents and teachers
- If a question goes wrong, ask your child to show it with fingers, objects or a quick sketch, then try again.
- Let your child mark the sheet with the answer key; spotting their own mistakes is a skill in itself.
- Combine this sheet with past exam questions on the same topic for mixed, exam-style practice.
Good to know
- Time needed
- About 15–25 minutes
- You’ll need
- A printer (or a tablet to work on screen), a pencil and an eraser
- Difficulty
- On level (KS3 · Year 9) – pitched at ages 13–14
- Answer key
- Yes – print it with the sheet or on its own