Trail trail · ages 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.
Tap a question to see the answer and how it works.
Answer: 49. 39 + 10 = 49. The ones stay the same.
Answer: 29. 18 + 11 = 29.
Answer: 78. 48 + 30 = 78. The ones stay the same.
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.