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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 566 · 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.Saanvi has 13 balloons and gets 7 balloons more. How many balloons does Saanvi have now?
  2. 2.There are 8 pink kites and 5 blue kites. How many kites are there in all?
  3. 3.12 + 1 =
  4. 4.There are 5 white balls and 5 pink balls. How many balls are there in all?
  5. 5.11 + 1 =
  6. 6.7 + 9 =
  7. 7.9 + 4 =
  8. 8.Kabir has 14 books and gets 5 books more. How many books does Kabir have now?
  9. 9.Zoya has 10 pencils and gets 7 pencils more. How many pencils does Zoya have now?
  10. 10.4 + 8 + 8 =
  11. 11.Tara has 5 shells and gets 10 shells more. How many shells does Tara have now?
  12. 12.There are 3 red kites and 16 pink kites. How many kites are there in all?
  13. 13.6 + 9 =
  14. 14.1 + 6 =
  15. 15.17 + 3 =
  16. 16.There are 2 green kites and 15 blue kites. How many kites are there in all?
  17. 17.Manav has 12 laddoos and gets 1 laddoo more. How many laddoos does Manav have now?
  18. 18.2 + 8 + 8 =
  19. 19.Aditya has 3 balls and gets 9 balls more. How many balls does Aditya have now?
  20. 20.Farhan has 15 shells and gets 1 shell more. How many shells does Farhan have now?
  21. 21.Tara has 2 shells and gets 1 shell more. How many shells does Tara have now?
  22. 22.1 + 4 + 11 =
  23. 23.13 + 7 =
  24. 24.Ishaan has 13 balloons and gets 5 balloons more. How many balloons does Ishaan have now?
  25. 25.6 + 11 =
  26. 26.? + 6 = 9
  27. 27.4 + 6 + 4 =
  28. 28.Saanvi has 4 flowers and gets 15 flowers more. How many flowers does Saanvi have now?
  29. 29.? + 7 = 9
  30. 30.There are 6 red crayons and 13 blue crayons. How many crayons are there in all?
  31. 31.Aarav has 13 laddoos and gets 3 laddoos more. How many laddoos does Aarav have now?
  32. 32.4 + 2 + 1 =
  33. 33.7 + 4 + 6 =
  34. 34.6 + 2 + 9 =
  35. 35.Arjun has 3 bananas and gets 3 bananas more. How many bananas does Arjun have now?
  36. 36.? + 14 = 19
  37. 37.6 + ? = 9
  38. 38.There are 11 green beads and 7 yellow beads. How many beads are there in all?
  39. 39.There are 8 red flowers and 3 green flowers. How many flowers are there in all?
  40. 40.6 + 3 + 5 =

Answer key

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

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