Number Bonds
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Number Bonds
This online number bond tool makes practicing addition easy. A number bond shows the addends of a simple sum. For example, the number bonds for 4 are 3 + 1 , 2 + 2 , and 0 + 4. Number bonds also reflect subtraction facts, as the sum minus either addend equals the other addend.
To use this online number bond tool, drag the numerals you want to use onto the bond. Or, use the pencil tool to write the numbers manually. Use the eraser tool to erase drawings and the trash can tool to clear the canvas.
Here are a few ways to use the number bond tool:
- Place numbers on either side of the number bond and ask students to calculate the sum.
- Practice algebraic reasoning by providing the sum and one addend and asking students to calculate the other addend.
- Provide only the sum and ask students to list the various addend combinations.
Visit classplayground.com for more addition activities and games.