Number Bonds

A lot of repetition can be needed to achieve a secure knowledge of the number bonds for 10, 20 and 100. Using empty box questions can reinforce the link between addition and subtraction as the inverse of each other.

Generate Worksheets

Name of child/group (optional)
Types of questions
Addition
 Subtraction
 Both

Bonds for 10
Bonds for 20
Bonds for 100
 Allow reversed questions
 Allow empty box questions in subtraction