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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 436 · 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. 1.6 + 5 + 6 =
  2. 2.3 + 10 =
  3. 3.4 + 2 =
  4. 4.1 + 2 =
  5. 5.Lakshmi has 4 balls and gets 2 balls more. How many balls does Lakshmi have now?
  6. 6.There are 2 white flowers and 18 pink flowers. How many flowers are there in all?
  7. 7.1 + ? = 18
  8. 8.4 + 6 + 6 =
  9. 9.16 + 3 =
  10. 10.8 + 9 =
  11. 11.There are 4 blue crayons and 5 green crayons. How many crayons are there in all?
  12. 12.1 + 8 + 5 =
  13. 13.1 + ? = 9
  14. 14.There are 12 pink balls and 2 yellow balls. How many balls are there in all?
  15. 15.? + 4 = 15
  16. 16.Priya has 4 laddoos and gets 8 laddoos more. How many laddoos does Priya have now?
  17. 17.There are 2 blue crayons and 3 green crayons. How many crayons are there in all?
  18. 18.Riya has 7 balls and gets 12 balls more. How many balls does Riya have now?
  19. 19.Kavya has 9 laddoos and gets 6 laddoos more. How many laddoos does Kavya have now?
  20. 20.Rohan has 11 marbles and gets 7 marbles more. How many marbles does Rohan have now?
  21. 21.There are 6 red balloons and 6 pink balloons. How many balloons are there in all?
  22. 22.? + 5 = 6
  23. 23.18 + 1 =
  24. 24.There are 3 pink kites and 4 red kites. How many kites are there in all?
  25. 25.There are 10 green kites and 6 yellow kites. How many kites are there in all?
  26. 26.? + 2 = 17
  27. 27.11 + 8 =
  28. 28.1 + 7 + 7 =
  29. 29.Zoya has 10 pencils and gets 6 pencils more. How many pencils does Zoya have now?
  30. 30.16 + 2 =
  31. 31.There are 6 green kites and 8 white kites. How many kites are there in all?
  32. 32.6 + 4 =
  33. 33.9 + 7 =
  34. 34.1 + 3 + 1 =
  35. 35.8 + ? = 10
  36. 36.4 + 8 + 5 =
  37. 37.There are 3 yellow flowers and 2 red flowers. How many flowers are there in all?
  38. 38.Diya has 10 crayons and gets 8 crayons more. How many crayons does Diya have now?
  39. 39.? + 4 = 9
  40. 40.19 + 1 =

Answer key

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

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