Scholars trail · ages 13–15
Exponents practice: powers and indices
Exponents are a shorthand for repeated multiplication. Squares, cubes and powers of ten appear throughout higher maths and science.
Number Quest's exponent questions build fluency with explanations.
No sign-up, no ads. Works in any browser.
What the questions practise
- Squares and cubes
- Powers of 2 and 3
- Square roots
- Powers of ten
Try some example questions
Tap a question to see the answer and how it works.
1. Exponents10^? = 100008495
Answer: 4. 10000 has 4 zeros, so it is 10^4.
2. ExponentsWhat is 2^6?12643266
Answer: 64. 2 × 2 × 2 × 2 × 2 × 2 = 64.
3. ExponentsWhat is 3^4?84122781
Answer: 81. 3 × 3 × 3 × 3 = 81.
Tips for parents and teachers
- Write out 2⁵ as 2×2×2×2×2 at first.
- Learn squares up to 15².
- Use Sprint for recall.
Why Number Quest
Free, with no ads and no in-app purchases. Five trails from age 5 to 16+, five ways to play, a daily goal that builds a streak, buddies to unlock and a friendly weekly leaderboard. Questions are made fresh on the device, so there is always something new.
An Android app on Google Play is coming soon. Until then, play free right here in your browser.