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Ages 5–7

Adding within 12

Combine two numbers up to 12 to build early mental addition. Review suitability for your learners before teaching.

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Worksheet StudioMaths practice

Adding within 12

Take your time. Show your thinking. You've got this.

Name ____________________Date ______________
  1. 1.0 + 5 = blank
  2. 2.3 + 4 = blank
  3. 3.4 + 11 = blank
  4. 4.10 + 9 = blank
  5. 5.8 + 8 = blank
  6. 6.8 + 1 = blank
  7. 7.3 + 1 = blank
  8. 8.10 + 7 = blank
  9. 9.7 + 9 = blank
  10. 10.9 + 3 = blank
  11. 11.5 + 2 = blank
  12. 12.10 + 12 = blank
One small step. One stronger skill.12 questions · Seed 52
View the answer key
Worksheet StudioAnswer key

Adding within 12

Use this page to check your work.

Name ____________________Date ______________
  1. 1.0 + 5 = 5
  2. 2.3 + 4 = 7
  3. 3.4 + 11 = 15
  4. 4.10 + 9 = 19
  5. 5.8 + 8 = 16
  6. 6.8 + 1 = 9
  7. 7.3 + 1 = 4
  8. 8.10 + 7 = 17
  9. 9.7 + 9 = 16
  10. 10.9 + 3 = 12
  11. 11.5 + 2 = 7
  12. 12.10 + 12 = 22
One small step. One stronger skill.12 questions · Seed 52
Worksheet StudioMaths practice

Adding within 12

Take your time. Show your thinking. You've got this.

Name ____________________Date ______________
  1. 1.0 + 5 = blank
  2. 2.3 + 4 = blank
  3. 3.4 + 11 = blank
  4. 4.10 + 9 = blank
  5. 5.8 + 8 = blank
  6. 6.8 + 1 = blank
  7. 7.3 + 1 = blank
  8. 8.10 + 7 = blank
  9. 9.7 + 9 = blank
  10. 10.9 + 3 = blank
  11. 11.5 + 2 = blank
  12. 12.10 + 12 = blank
One small step. One stronger skill.12 questions · Seed 52
Worksheet StudioAnswer key

Adding within 12

Use this page to check your work.

Name ____________________Date ______________
  1. 1.0 + 5 = 5
  2. 2.3 + 4 = 7
  3. 3.4 + 11 = 15
  4. 4.10 + 9 = 19
  5. 5.8 + 8 = 16
  6. 6.8 + 1 = 9
  7. 7.3 + 1 = 4
  8. 8.10 + 7 = 17
  9. 9.7 + 9 = 16
  10. 10.9 + 3 = 12
  11. 11.5 + 2 = 7
  12. 12.10 + 12 = 22
One small step. One stronger skill.12 questions · Seed 52