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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 292 · 40 sums
TalentJR

The method (Count on): Start with the bigger number. Count on the smaller number, one finger at a time. For a missing number (8 + ? = 15), count on from 8 up to 15, or take away: 15 − 8.

NameDateTime takenScore ___ / 40
  1. 1.Riya has 3 pencils and gets 13 pencils more. How many pencils does Riya have now?
  2. 2.19 + 1 =
  3. 3.8 + 4 + 7 =
  4. 4.There are 10 green balls and 5 yellow balls. How many balls are there in all?
  5. 5.8 + 2 =
  6. 6.7 + 4 =
  7. 7.2 + 1 + 5 =
  8. 8.Ishaan has 8 balloons and gets 4 balloons more. How many balloons does Ishaan have now?
  9. 9.Joseph has 4 balloons and gets 14 balloons more. How many balloons does Joseph have now?
  10. 10.1 + ? = 4
  11. 11.? + 6 = 7
  12. 12.16 + 2 =
  13. 13.5 + 6 =
  14. 14.There are 4 green balls and 2 pink balls. How many balls are there in all?
  15. 15.3 + ? = 13
  16. 16.Dev has 7 balloons and gets 1 balloon more. How many balloons does Dev have now?
  17. 17.? + 4 = 12
  18. 18.Aarav has 2 flowers and gets 12 flowers more. How many flowers does Aarav have now?
  19. 19.There are 6 yellow balloons and 5 blue balloons. How many balloons are there in all?
  20. 20.? + 8 = 16
  21. 21.Manav has 3 flowers and gets 3 flowers more. How many flowers does Manav have now?
  22. 22.8 + 1 + 3 =
  23. 23.Rahul has 11 books and gets 9 books more. How many books does Rahul have now?
  24. 24.1 + 2 + 4 =
  25. 25.10 + ? = 14
  26. 26.5 + ? = 9
  27. 27.Gurpreet has 6 pencils and gets 14 pencils more. How many pencils does Gurpreet have now?
  28. 28.1 + 1 =
  29. 29.10 + ? = 12
  30. 30.1 + 2 + 5 =
  31. 31.Kabir has 8 laddoos and gets 1 laddoo more. How many laddoos does Kabir have now?
  32. 32.There are 11 pink kites and 2 yellow kites. How many kites are there in all?
  33. 33.2 + 7 + 8 =
  34. 34.10 + ? = 11
  35. 35.7 + ? = 15
  36. 36.2 + 6 + 3 =
  37. 37.4 + 2 + 3 =
  38. 38.? + 7 = 20
  39. 39.10 + 8 =
  40. 40.4 + 6 + 5 =

Answer key

  1. 16
  2. 20
  3. 19
  4. 15
  5. 10
  6. 11
  7. 8
  8. 12
  9. 18
  10. 3
  11. 1
  12. 18
  13. 11
  14. 6
  15. 10
  16. 8
  17. 8
  18. 14
  19. 11
  20. 8
  21. 6
  22. 12
  23. 20
  24. 7
  25. 4
  26. 4
  27. 20
  28. 2
  29. 2
  30. 8
  31. 9
  32. 13
  33. 17
  34. 1
  35. 8
  36. 11
  37. 9
  38. 13
  39. 18
  40. 15

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