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Adding 5 within 20 worksheets Grade 1

Add 5 to numbers up to 15 by counting on or making 10 first.

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Free · Worked example · 46 problems · Answer key · US Letter

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How to do it

Count on five, or make 10 first.

5+7=7+3+2=10+2=125 + 7 = 7 + 3 + 2 = 10 + 2 = 12make 10: split 5 into 3 and 2

Example problems

  1. 11+5=11 + 5 =
  2. 5+6=5 + 6 =
  3. 4+5=4 + 5 =
  4. 9+5=9 + 5 =

Addition facts within 20

  1. Adding 4 within 20
  2. Adding 5 within 20
  3. Adding 6 within 20
  4. Adding 7 within 20
  5. Adding 8 within 20
  6. Adding 9 within 20
  7. Doubles and near doubles
  8. Teen numbers plus ones
  9. All addition facts to 20
  10. Adding three numbers