- Content
- Count
- Compare
- Ordinal Numbers
- Number Bond
- Addition Method
- Subtraction Method
- Add
- Subtract
- Multiply
- Divide
- Time
- FAQ

A number bond is the addition of two numbers (**part - part**) to give the sum (**whole**). Using number
bonds, one can
instantly tell the answer without the need to calculate. Use it to add and subtract numbers up to 10.

On the number bond diagram,

- enter the value of the
**part**(green) - change the value of the
**whole**(blue)

Based on the latest 2021 MOE Primary One Syllabus

**Button Description**

*forward* Generate a
new random part-part