Number Bonds Visualizer

See how numbers break into two parts

💡 Every pair below makes 10. Try another whole number below to explore.

Fact family for this bond

🎉 Nice thinking — we found the missing part!

TRY THESE NUMBERS

ENTER YOUR OWN WHOLE

Use numbers 1–20

📖 Teacher note: Number bonds teach that numbers can be broken apart and put back together. Start with Explore bonds for discovery — students see every way a number splits. Once they can chant the pairs from memory, switch to Find the Missing Part as a fluency check.

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More teacher tools: Back to all teacher tools · Place Value Exploder · Make 10 Strategy · Number Line Jumps