🤝 Number Bonds

What makes 10? Find the partner number!

Answer 10 questions and earn up to 3 stars. Pick a level to start!

Free number bonds — pairs that make 10 and 20 practice for kids

Number Bonds gives kids fun, focused practice with number bonds — pairs that make 10 and 20 (Grades K-1). What makes 10? Find the partner number! Each round has a fresh set of questions, so there's always something new to try.

You can turn on voice narration to hear each question read aloud — helpful for younger or still-reading learners. Progress and stars are saved on your device only.

How to play

Read the question, tap the answer you think is correct, and watch for the green check. Finish the round to earn up to three stars, then play again to beat your score or explore more games.