Mixed Addition and Subtraction Within 20 Worksheets

Mixed addition and subtraction through 20 math worksheets to help your students build confidence and fluency.
Designed for Key Stage 1 (Year 1 and Year 2), the worksheets mix both operations in each practice sheet, encouraging children to think flexibly about numbers.
Ideal for classwork, homework, exam preparation, or morning starters.

What’s included:
• 6 worksheets covering addition and subtraction facts within 20
• Mixed operation questions to develop number sense and operation recognition
• Answer keys included for every worksheet
• No prep, print-and-go format

Perfect for:
• Daily maths practice
• Consolidating number bonds to 20
• Assessment preparation
• Catch-up intervention groups
• Early finishers and extension work

Download now and give your class the mixed-operation practice they need to master addition and subtraction within 20!