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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.

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Addition Doubles

Grade 1 · Stretch challenge · 10 questions · Version PG-1SCKXU3-1OUI

Free printable
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 =
Worksheet PDFAnswer keyCustomize

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
  1. 8 + 2 =10
  2. 1 + 1 =2
  3. 3 + 3 =6
  4. 10 + 0 =10
  5. 4 + 4 =8
  6. 9 + 1 =10
  7. 5 + 5 =10
  8. 7 + 3 =10
  9. 6 + 4 =10
  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.