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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 70 · 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.Priya has 8 pencils and gets 7 pencils more. How many pencils does Priya have now?
  2. 2.There are 4 white crayons and 12 red crayons. How many crayons are there in all?
  3. 3.There are 9 green beads and 4 blue beads. How many beads are there in all?
  4. 4.13 + 5 =
  5. 5.8 + 5 =
  6. 6.There are 12 red kites and 7 white kites. How many kites are there in all?
  7. 7.? + 3 = 6
  8. 8.2 + 8 + 3 =
  9. 9.11 + 9 =
  10. 10.1 + 3 + 8 =
  11. 11.? + 1 = 14
  12. 12.15 + 1 =
  13. 13.7 + 7 + 3 =
  14. 14.13 + 3 =
  15. 15.Zoya has 14 laddoos and gets 2 laddoos more. How many laddoos does Zoya have now?
  16. 16.6 + 5 =
  17. 17.12 + 8 =
  18. 18.18 + 2 =
  19. 19.16 + 1 =
  20. 20.Sneha has 13 balls and gets 4 balls more. How many balls does Sneha have now?
  21. 21.Joseph has 8 crayons and gets 6 crayons more. How many crayons does Joseph have now?
  22. 22.6 + 8 + 1 =
  23. 23.3 + ? = 10
  24. 24.6 + 6 + 5 =
  25. 25.There are 5 red balloons and 10 pink balloons. How many balloons are there in all?
  26. 26.17 + 2 =
  27. 27.5 + 9 =
  28. 28.? + 17 = 20
  29. 29.8 + 6 =
  30. 30.There are 7 white crayons and 2 pink crayons. How many crayons are there in all?
  31. 31.Joseph has 3 pencils and gets 17 pencils more. How many pencils does Joseph have now?
  32. 32.There are 7 white balls and 13 blue balls. How many balls are there in all?
  33. 33.? + 12 = 18
  34. 34.10 + 3 =
  35. 35.3 + 1 + 1 =
  36. 36.Meera has 8 crayons and gets 12 crayons more. How many crayons does Meera have now?
  37. 37.There are 5 pink kites and 6 red kites. How many kites are there in all?
  38. 38.There are 2 yellow balloons and 3 red balloons. How many balloons are there in all?
  39. 39.Pooja has 10 laddoos and gets 10 laddoos more. How many laddoos does Pooja have now?
  40. 40.7 + ? = 9

Answer key

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

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