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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 103 · 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.? + 3 = 8
  2. 2.2 + 1 + 2 =
  3. 3.1 + 5 + 5 =
  4. 4.Sneha has 6 kites and gets 6 kites more. How many kites does Sneha have now?
  5. 5.3 + 5 + 5 =
  6. 6.There are 10 white balloons and 2 green balloons. How many balloons are there in all?
  7. 7.Gurpreet has 8 balls and gets 2 balls more. How many balls does Gurpreet have now?
  8. 8.There are 7 yellow beads and 4 green beads. How many beads are there in all?
  9. 9.1 + 7 + 5 =
  10. 10.Tara has 5 crayons and gets 12 crayons more. How many crayons does Tara have now?
  11. 11.There are 6 blue crayons and 13 white crayons. How many crayons are there in all?
  12. 12.7 + 6 + 3 =
  13. 13.6 + ? = 9
  14. 14.? + 1 = 6
  15. 15.Ananya has 3 balls and gets 4 balls more. How many balls does Ananya have now?
  16. 16.6 + 4 =
  17. 17.7 + 10 =
  18. 18.8 + 1 + 11 =
  19. 19.8 + 2 + 2 =
  20. 20.There are 4 red kites and 8 yellow kites. How many kites are there in all?
  21. 21.? + 1 = 7
  22. 22.Aarav has 7 kites and gets 9 kites more. How many kites does Aarav have now?
  23. 23.Rahul has 8 laddoos and gets 6 laddoos more. How many laddoos does Rahul have now?
  24. 24.18 + 1 =
  25. 25.2 + 5 + 10 =
  26. 26.? + 7 = 13
  27. 27.2 + 7 + 4 =
  28. 28.2 + 4 =
  29. 29.There are 9 red kites and 8 yellow kites. How many kites are there in all?
  30. 30.There are 5 pink crayons and 15 blue crayons. How many crayons are there in all?
  31. 31.7 + 1 =
  32. 32.2 + 14 =
  33. 33.11 + 8 =
  34. 34.Rahul has 13 pencils and gets 2 pencils more. How many pencils does Rahul have now?
  35. 35.? + 5 = 16
  36. 36.6 + 2 + 9 =
  37. 37.17 + 2 =
  38. 38.There are 10 pink balloons and 10 blue balloons. How many balloons are there in all?
  39. 39.10 + 7 =
  40. 40.Manav has 15 pencils and gets 5 pencils more. How many pencils does Manav have now?

Answer key

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

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