Class 4 Maths and Science Quiz
Practise Class 4 maths and science with a free quiz of 5, 10, 15 or 20 questions. Half maths, half science, matched to Class 4 (Grade 4, UK Year 5, ages 9 to 10), 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 4 quiz covers
Maths
- Three-digit addition and subtraction
- Times tables up to 12
- Perimeter and fractions of amounts
- Rounding
Science
- Water cycle: evaporation and condensation
- Sound and electricity
- Food chains and teeth
- States of matter
Class 4 sample questions with answers
Class 4 is Grade 4 in the US and Year 5 in England (ages 9 to 10). 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 | What is 400 + 324? | 724 | 400 + 324 = 724. |
| Maths | What is 901 − 358? | 543 | 901 − 358 = 543. |
| Maths | What is 6 × 5? | 30 | 6 × 5 = 30. |
| Maths | What is 24 ÷ 4? | 6 | 4 × 6 = 24, so 24 ÷ 4 = 6. |
| Science | What is it called when water vapour cools and turns into drops of liquid water? | Condensation | Condensation turns a gas into a liquid. |
| Science | Which gas do we breathe out? | Carbon dioxide | We breathe out carbon dioxide. |
| Science | Which of these materials is a good conductor of electricity? | Copper | Metals such as copper let electricity flow easily. |
| Science | What do we call the layer of gases around the Earth? | Atmosphere | The atmosphere surrounds the Earth. |
Frequently Asked Questions (FAQs)
Maths covers three-digit addition and subtraction, times tables up to 12, perimeter and fractions of amounts, rounding. Science covers water cycle: evaporation and condensation, sound and electricity, food chains and teeth, states of matter.
Class 4 matches Grade 4 in the US and Year 5 in England, for children aged about 9 to 10.
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.
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