A fluency worksheet on number bonds for Year 1 maths. Pupils warm up with bonds to 10, move to bonds to 20, then race the clock on related subtraction facts like 20 - 5. A completed answer key is included. It covers the England National Curriculum objective on number bonds and related subtraction facts within 20.
Number — addition and subtraction
“Represent and use number bonds and related subtraction facts within 20”
The sheet moves from bonds to 10 through to subtraction from 20.
Number — addition and subtraction
“Add and subtract one-digit and two-digit numbers to 20, including zero”
All calculations sit within 20.
Quick additions such as 5 + 5 and 8 + 2.
Bonds like 15 + 5 and 18 + 2.
Timed subtraction facts from 20.
All three sections completed with correct answers.
Fluency practice
Use weekly and track how far pupils get in the timed challenge.
Lesson starter
The warm-up section takes two minutes at the start of any number lesson.
Homework
Bonds practice that parents can time and mark at home.
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