

Grade 1 · Math · Challenge
Free Addition Doubles worksheet - version 20
Learn doubles facts from 1 + 1 through 10 + 10. This printable version includes 10 grade-appropriate questions and a separate answer sheet.
Addition Doubles
Grade 1 · Stretch challenge · 10 questions · Version PG-1SCKXU3-1OUI
1.
8 + 2 =
2.
1 + 1 =
3.
3 + 3 =
4.
10 + 0 =
5.
4 + 4 =
6.
9 + 1 =
7.
5 + 5 =
8.
7 + 3 =
9.
6 + 4 =
10.
2 + 2 =
Answers and teaching notes
Use the answers to check the work after the learner finishes. For writing prompts, the guide describes what a strong response should include.
Show answers for version 20
- 8 + 2 =10
- 1 + 1 =2
- 3 + 3 =6
- 10 + 0 =10
- 4 + 4 =8
- 9 + 1 =10
- 5 + 5 =10
- 7 + 3 =10
- 6 + 4 =10
- 2 + 2 =4
Worked example
7 + 7 = 14. Two groups of seven make fourteen.
Common mistake
Answering with the next counting number instead of twice the number.
Helpful hint
Think of two equal groups.