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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 528 · 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.Nisha has 3 flowers and gets 5 flowers more. How many flowers does Nisha have now?
  2. 2.1 + ? = 3
  3. 3.8 + 4 + 3 =
  4. 4.Aarav has 3 pencils and gets 12 pencils more. How many pencils does Aarav have now?
  5. 5.There are 2 red crayons and 7 pink crayons. How many crayons are there in all?
  6. 6.4 + 3 + 9 =
  7. 7.1 + 7 + 9 =
  8. 8.7 + 5 =
  9. 9.4 + ? = 17
  10. 10.? + 4 = 14
  11. 11.Meera has 13 laddoos and gets 3 laddoos more. How many laddoos does Meera have now?
  12. 12.8 + 3 + 9 =
  13. 13.Saanvi has 9 kites and gets 6 kites more. How many kites does Saanvi have now?
  14. 14.Joseph has 15 pencils and gets 3 pencils more. How many pencils does Joseph have now?
  15. 15.13 + ? = 14
  16. 16.? + 17 = 20
  17. 17.6 + 7 =
  18. 18.Zoya has 9 balloons and gets 1 balloon more. How many balloons does Zoya have now?
  19. 19.Meera has 8 flowers and gets 9 flowers more. How many flowers does Meera have now?
  20. 20.? + 7 = 19
  21. 21.? + 4 = 20
  22. 22.Aditya has 11 crayons and gets 1 crayon more. How many crayons does Aditya have now?
  23. 23.Rahul has 14 kites and gets 3 kites more. How many kites does Rahul have now?
  24. 24.There are 7 blue kites and 6 green kites. How many kites are there in all?
  25. 25.6 + ? = 14
  26. 26.Lakshmi has 3 shells and gets 6 shells more. How many shells does Lakshmi have now?
  27. 27.6 + ? = 9
  28. 28.3 + 10 =
  29. 29.There are 4 white crayons and 13 blue crayons. How many crayons are there in all?
  30. 30.1 + 1 =
  31. 31.There are 3 yellow flowers and 10 pink flowers. How many flowers are there in all?
  32. 32.13 + ? = 18
  33. 33.8 + 1 + 1 =
  34. 34.3 + 11 =
  35. 35.There are 2 white kites and 4 blue kites. How many kites are there in all?
  36. 36.15 + 2 =
  37. 37.8 + 5 + 6 =
  38. 38.7 + ? = 15
  39. 39.There are 7 yellow kites and 11 white kites. How many kites are there in all?
  40. 40.2 + 2 + 13 =

Answer key

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

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