Trail trail · ages 7–9

Free addition games for kids aged 7–9

Once children know their number bonds, they move on to adding two-digit numbers, first with tens and ones, then in their heads. Quick, accurate addition makes every later topic easier.

Number Quest's Trail addition questions build that fluency, and Sprint mode turns it into a sixty-second challenge.

No sign-up, no ads. Works in any browser.

What the questions practise

  • Adding two-digit numbers
  • Adding three numbers
  • Adding 10, 20 and 30
  • Addition word problems

Try some example questions

Tap a question to see the answer and how it works.

  1. 1. AdditionWhat is 39 + 10?49503940

    Answer: 49. 39 + 10 = 49. The ones stay the same.

  2. 2. AdditionLeo has 18 cookies. A friend gives 11 more. How many cookies now?31342829

    Answer: 29. 18 + 11 = 29.

  3. 3. AdditionWhat is 48 + 30?68795178

    Answer: 78. 48 + 30 = 78. The ones stay the same.

Tips for parents and teachers

  • Ask them to explain the method they used.
  • Use Practice first, then Sprint for speed.
  • Estimate the answer first to catch mistakes.

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.

More for the Trail trail

All guides by age and topic