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Addition Doubles

Grade 1 · Stretch challenge · 10 questions · Version PG-PHV482-1OUI

Four children and a teacher collaborate with blocks, patterns, and a notebook.
1.

1 + 1 =

2.

5 + 5 =

3.

10 + 0 =

4.

4 + 4 =

5.

7 + 3 =

6.

3 + 3 =

7.

9 + 1 =

8.

2 + 2 =

9.

6 + 4 =

10.

8 + 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 16
  1. 1 + 1 =2
  2. 5 + 5 =10
  3. 10 + 0 =10
  4. 4 + 4 =8
  5. 7 + 3 =10
  6. 3 + 3 =6
  7. 9 + 1 =10
  8. 2 + 2 =4
  9. 6 + 4 =10
  10. 8 + 2 =10

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.