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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 303 · 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.There are 4 blue kites and 3 pink kites. How many kites are there in all?
  2. 2.Meera has 2 bananas and gets 6 bananas more. How many bananas does Meera have now?
  3. 3.1 + 8 + 10 =
  4. 4.Ishaan has 15 laddoos and gets 4 laddoos more. How many laddoos does Ishaan have now?
  5. 5.3 + 16 =
  6. 6.12 + 8 =
  7. 7.There are 7 green flowers and 2 pink flowers. How many flowers are there in all?
  8. 8.4 + 5 =
  9. 9.4 + 8 =
  10. 10.There are 12 blue beads and 8 red beads. How many beads are there in all?
  11. 11.5 + 8 + 1 =
  12. 12.There are 8 green flowers and 7 blue flowers. How many flowers are there in all?
  13. 13.Farhan has 2 books and gets 2 books more. How many books does Farhan have now?
  14. 14.There are 10 blue kites and 6 yellow kites. How many kites are there in all?
  15. 15.4 + 8 + 3 =
  16. 16.16 + ? = 17
  17. 17.Farhan has 6 balloons and gets 14 balloons more. How many balloons does Farhan have now?
  18. 18.8 + 5 + 4 =
  19. 19.There are 12 white balloons and 7 blue balloons. How many balloons are there in all?
  20. 20.Kavya has 2 balloons and gets 5 balloons more. How many balloons does Kavya have now?
  21. 21.2 + ? = 11
  22. 22.Aditya has 5 shells and gets 7 shells more. How many shells does Aditya have now?
  23. 23.There are 9 white crayons and 2 red crayons. How many crayons are there in all?
  24. 24.6 + 2 + 10 =
  25. 25.9 + 1 =
  26. 26.There are 3 blue balloons and 3 green balloons. How many balloons are there in all?
  27. 27.2 + 8 + 7 =
  28. 28.Kabir has 6 bananas and gets 3 bananas more. How many bananas does Kabir have now?
  29. 29.There are 6 white balls and 2 yellow balls. How many balls are there in all?
  30. 30.2 + 1 =
  31. 31.2 + 1 + 7 =
  32. 32.4 + 12 =
  33. 33.6 + 5 =
  34. 34.17 + 2 =
  35. 35.? + 12 = 20
  36. 36.? + 3 = 7
  37. 37.4 + ? = 11
  38. 38.Manav has 14 books and gets 4 books more. How many books does Manav have now?
  39. 39.18 + 2 =
  40. 40.11 + 5 =

Answer key

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

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