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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 262 · 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. 1.5 + 4 + 3 =
  2. 2.There are 3 green flowers and 5 pink flowers. How many flowers are there in all?
  3. 3.2 + ? = 3
  4. 4.5 + 8 =
  5. 5.6 + ? = 7
  6. 6.2 + ? = 5
  7. 7.Arjun has 12 shells and gets 5 shells more. How many shells does Arjun have now?
  8. 8.Farhan has 6 crayons and gets 2 crayons more. How many crayons does Farhan have now?
  9. 9.Meera has 6 laddoos and gets 7 laddoos more. How many laddoos does Meera have now?
  10. 10.There are 3 pink beads and 9 blue beads. How many beads are there in all?
  11. 11.3 + 6 =
  12. 12.There are 11 red balloons and 5 white balloons. How many balloons are there in all?
  13. 13.2 + 7 + 8 =
  14. 14.There are 10 green balloons and 10 blue balloons. How many balloons are there in all?
  15. 15.4 + 7 + 3 =
  16. 16.There are 12 pink balloons and 2 yellow balloons. How many balloons are there in all?
  17. 17.? + 1 = 4
  18. 18.There are 5 red balloons and 11 green balloons. How many balloons are there in all?
  19. 19.1 + 1 + 3 =
  20. 20.? + 10 = 15
  21. 21.8 + 4 =
  22. 22.8 + 2 + 8 =
  23. 23.4 + 13 =
  24. 24.Kabir has 13 crayons and gets 3 crayons more. How many crayons does Kabir have now?
  25. 25.1 + 6 + 9 =
  26. 26.13 + 1 =
  27. 27.1 + 18 =
  28. 28.Pooja has 9 books and gets 10 books more. How many books does Pooja have now?
  29. 29.? + 1 = 3
  30. 30.There are 2 green crayons and 9 pink crayons. How many crayons are there in all?
  31. 31.Arjun has 5 laddoos and gets 13 laddoos more. How many laddoos does Arjun have now?
  32. 32.Riya has 4 balls and gets 8 balls more. How many balls does Riya have now?
  33. 33.Kavya has 7 books and gets 8 books more. How many books does Kavya have now?
  34. 34.There are 7 pink balloons and 6 green balloons. How many balloons are there in all?
  35. 35.1 + ? = 3
  36. 36.6 + ? = 19
  37. 37.There are 2 red kites and 5 yellow kites. How many kites are there in all?
  38. 38.Saanvi has 8 crayons and gets 2 crayons more. How many crayons does Saanvi have now?
  39. 39.5 + 3 + 4 =
  40. 40.Dev has 14 bananas and gets 3 bananas more. How many bananas does Dev have now?

Answer key

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

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