Class 10 Maths and Science Quiz
Practise Class 10 maths and science with a free quiz of 5, 10, 15 or 20 questions. Half maths, half science, matched to Class 10 (Grade 10, UK Year 11 (GCSE), ages 15 to 16), with the right answer and a short explanation after every question.
Choose your quiz length
How many questions would you like? 10 questions means 5 math + 5 science.
What the Class 10 quiz covers
Maths
- Multi-step algebra and quadratics
- Compound interest and ratios
- Probability and sequences
- Pythagoras and percentage change
Science
- Moles and chemical calculations
- Electrolysis and crude oil
- Momentum, resistance and transformers
- DNA, homeostasis and respiration
Class 10 sample questions with answers
Class 10 is Grade 10 in the US and Year 11 (GCSE) in England (ages 15 to 16). These sample questions show the level; the quiz gives new maths numbers every round and mixes in science from a bank written for this class.
| Subject | Question | Answer | Why |
|---|---|---|---|
| Maths | Solve x² − 7x + 6 = 0. What is the larger root? | 6 | Factorise: (x − 1)(x − 6) = 0, so the roots are 1 and 6. The larger is 6. |
| Maths | x + y = 42 and x − y = 12. What is x? | 27 | Add the equations: 2x = 54, so x = 27. |
| Maths | £2,500.00 is invested for 2 years at 20% compound interest a year. What is it worth at the end? | £3,600.00 | £2,500.00 × 1.20² = £3,600.00. |
| Maths | What is 2^11? | 2,048 | Doubling 11 times from 1 gives 2^11 = 2,048. |
| Science | What is the Avogadro constant approximately? | 6.02 × 10²³ per mole | One mole contains about 6.02 × 10²³ particles. |
| Science | How do you work out the number of moles from mass? | Mass ÷ relative formula mass | moles = mass ÷ Mr. |
| Science | What is the formula of methane? | CH₄ | Methane is CH₄. |
| Science | Which process separates the parts of crude oil? | Fractional distillation | Fractions have different boiling points. |
Frequently Asked Questions (FAQs)
Maths covers multi-step algebra and quadratics, compound interest and ratios, probability and sequences, pythagoras and percentage change. Science covers moles and chemical calculations, electrolysis and crude oil, momentum, resistance and transformers, dna, homeostasis and respiration.
Class 10 matches Grade 10 in the US and Year 11 (GCSE) in England, for children aged about 15 to 16.
Yes. After every question the right answer is highlighted with a short explanation, and the results page lets you review every question.
You choose 5, 10, 15 or 20 questions. Even lengths are exactly half maths and half science, and the maths numbers change every round.
Yes. There is no sign-up, and it works on phones, tablets and computers.
More quizzes: Class 9 quiz · all classes and difficulty levels