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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 346 · 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.Kavya has 4 pencils and gets 1 pencil more. How many pencils does Kavya have now?
  2. 2.8 + 7 =
  3. 3.10 + 6 =
  4. 4.? + 4 = 11
  5. 5.1 + 2 + 5 =
  6. 6.Pooja has 4 laddoos and gets 12 laddoos more. How many laddoos does Pooja have now?
  7. 7.4 + 8 =
  8. 8.2 + 7 + 3 =
  9. 9.3 + 5 + 10 =
  10. 10.There are 12 green kites and 4 yellow kites. How many kites are there in all?
  11. 11.1 + 3 + 1 =
  12. 12.2 + 1 + 11 =
  13. 13.14 + 6 =
  14. 14.4 + ? = 13
  15. 15.Meera has 11 balls and gets 8 balls more. How many balls does Meera have now?
  16. 16.18 + 1 =
  17. 17.There are 2 pink balloons and 2 green balloons. How many balloons are there in all?
  18. 18.2 + 1 + 15 =
  19. 19.8 + 3 + 6 =
  20. 20.1 + ? = 5
  21. 21.7 + 10 =
  22. 22.Kavya has 12 crayons and gets 7 crayons more. How many crayons does Kavya have now?
  23. 23.There are 10 yellow beads and 4 white beads. How many beads are there in all?
  24. 24.There are 4 pink balls and 4 red balls. How many balls are there in all?
  25. 25.Manav has 4 balls and gets 4 balls more. How many balls does Manav have now?
  26. 26.Meera has 8 crayons and gets 5 crayons more. How many crayons does Meera have now?
  27. 27.Rohan has 5 shells and gets 8 shells more. How many shells does Rohan have now?
  28. 28.Farhan has 15 flowers and gets 4 flowers more. How many flowers does Farhan have now?
  29. 29.? + 1 = 15
  30. 30.6 + ? = 10
  31. 31.Rahul has 7 pencils and gets 2 pencils more. How many pencils does Rahul have now?
  32. 32.? + 1 = 3
  33. 33.11 + 1 =
  34. 34.2 + ? = 7
  35. 35.4 + ? = 15
  36. 36.7 + 2 =
  37. 37.? + 9 = 10
  38. 38.There are 8 pink crayons and 4 white crayons. How many crayons are there in all?
  39. 39.There are 7 green crayons and 11 pink crayons. How many crayons are there in all?
  40. 40.3 + 4 + 13 =

Answer key

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

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