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Addition Doubles

Grade 1 · Building confidence · 10 questions · Version PG-1K1531A-QRU1

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1.2 + 2 =
2.9 + 1 =
3.10 + 0 =
4.8 + 2 =
5.6 + 4 =
6.4 + 4 =
7.5 + 5 =
8.3 + 3 =
9.7 + 3 =
10.1 + 1 =

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

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.