Integers, powers and roots Quiz - Mathematics Number

Free practice quiz: Integers, powers and roots (Mathematics Number). 26 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

This Mathematics Number practice quiz has 26 multiple-choice questions on Integers, powers and roots, and 26 of them come with an explanation. Try the 5 sample questions below (tap an option to check yourself), then play the full quiz online. No sign-up needed.

Sample questions

1. Work out 3 + 4 × 2²

   1. 19
   2. 11
   3. 28
   4. 49
   Show answer

   Answer: A. 19

   4 × 2² = 4 × 4 = 16, then 3 + 16 = 19.

2. Which of these is a cube number?

   1. 36
   2. 49
   3. 81
   4. 64
   Show answer

   Answer: D. 64

   4 × 4 × 4 = 64.

3. Work out 5 + 2 × 3.

   1. 21
   2. 11
   3. 13
   4. 16
   Show answer

   Answer: B. 11

   Multiply first: 2 × 3 = 6. Then 5 + 6 = 11.

4. Work out (−3) × 8.

   1. 24
   2. −5
   3. −24
   4. 11
   Show answer

   Answer: C. −24

   3 × 8 = 24. One number is negative, so the answer is −24.

5. Which of these numbers is divisible by 9?

   1. 235
   2. 236
   3. 238
   4. 234
   Show answer

   Answer: D. 234

   A number is divisible by 9 if its digits add up to a multiple of 9. 2 + 3 + 4 = 9.

More questions in this quiz

Answers and explanations are in the full quiz.

1. Work out (3 + 4) × 2³
2. Work out (−48) ÷ 6
3. Find the HCF of 24 and 36
4. Find the LCM of 4 and 6
5. Work out −5 + 8.
6. Work out 4 − 9.
7. Work out −7 − 3.
8. Estimate 498 + 203 by rounding each number to the nearest hundred.
9. Work out (8 − 3)².
10. Work out 20 − 2 × 3².
11. Work out (−4) × 5.
12. Work out 36 ÷ (−9).
13. Find the highest common factor (HCF) of 18 and 27.
14. Find the lowest common multiple (LCM) of 6 and 8.
15. Find the lowest common multiple (LCM) of 3 and 5.
16. Which of these numbers is divisible by 3?
17. Which of these numbers is divisible by 6?
18. Work out √81.
19. What is 6²?
20. What is the cube root of 125?
21. Work out 2³.

More quizzes

• Place value, ordering and rounding▶ Play
• Fractions, decimals, percentages, ratio and proportion▶ Play

Browse all Number quizzes

More to play