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Numbers
Number Bonds
Two numbers. One clean sum.
A little challenge awaits.
60 sec · No account. Just you and the game.
Stay on this page during your run.THE SHORT VERSION
How to play
Find the number that completes the target total. These quick complements use targets from ten through fifty.
- Add the shown number to one of the choices to make the target.
- Make 10 correct choices within 60 seconds. Wrong choices cost a point.
- Your best stays on this device. Share a seeded challenge with a friend; a solved run beats an unfinished run, then points and time decide.
A few useful details
How do I complete Number Bonds?
Make 10 correct choices within 60 seconds. Wrong choices cost a point.
How long is a Number Bonds round?
60 sec. The timer and current objective are shown while you play. You can start a fresh run whenever you like.
Can I play free and challenge a friend?
Yes. No account or download is needed. After a run, share its challenge link so your friend gets the same seeded setup. Your personal records stay on this device.