Number Bonds to 10
Number Bonds to 10 helps children practise splitting numbers into two parts and finding what is missing. Read the short guide, solve one task online, and print a worksheet for extra repetition.
How to solve this
- Look at the whole number first.
- Find one part that is already shown.
- Think: what number joins that part to make the whole?
Examples
10 = 6 + ?
4
8 = 3 + ?
5
What children practice
- part-part-whole thinking
- complements to 10
- flexible number sense
Practice online
Try one short exercise in the browser.
Printable worksheet
Create a fresh printable worksheet with an answer key for extra practice on paper.
Related topics
FAQ
What should children know before number Bonds to 10?
It helps if children are already comfortable with addition to 10.
What can we do if number Bonds to 10 feels hard?
Use counters in two groups. Move objects from one side to the other so the child can see that the whole stays the same.
How much practice is enough?
A short round of 5 to 10 minutes is usually enough for first graders. Stop while the child is still focused.