Numihana19 + 1 =
Answer: ________________
LEARN, PRINT & PRACTISE
Addition within 20.
Combine two amounts with a total no greater than 20.
Numihana · England Year 1
Addition within 20
Practice sheet
Name: ______________
Date: ______________
Combine two amounts with a total no greater than 20.
19 + 1 =
Answer: ________________
13 + 4 =
Answer: ________________
20 + 0 =
Answer: ________________
17 + 3 =
Answer: ________________
2 + 6 =
Answer: ________________
Numihana · England Year 1
Addition within 20
Answer key
Name: ______________
Date: ______________
Combine two amounts with a total no greater than 20.
19 + 1 =
Answer: 20
19 + 1 =
Answer: 20
13 + 4 =
Answer: 17
20 + 0 =
Answer: 20
17 + 3 =
Answer: 20
2 + 6 =
Answer: 8
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The skill behind this activity
Combine two amounts with a total no greater than 20.
Department for Education: mathematics programmes of study ↗
Year 1 → Number → Addition and subtraction · Selected statutory skill. Pack 2.2.0 · source checked 2026-10-12.
For teachers and parents
Combine the quantities. Align equal place values for a written column method; each group of ten becomes one in the next place.
A common slip
A carried ten belongs one place to the left and is counted once.
Worked example
18 + 0 =
Answer: 18
Combine the quantities. Align equal place values for a written column method; each group of ten becomes one in the next place.