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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 692 · 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.Zoya has 8 laddoos and gets 6 laddoos more. How many laddoos does Zoya have now?
  2. 2.11 + 1 =
  3. 3.2 + ? = 17
  4. 4.5 + 5 + 4 =
  5. 5.5 + 9 =
  6. 6.Aarav has 8 books and gets 12 books more. How many books does Aarav have now?
  7. 7.There are 7 green crayons and 3 pink crayons. How many crayons are there in all?
  8. 8.There are 2 red balloons and 18 pink balloons. How many balloons are there in all?
  9. 9.19 + 1 =
  10. 10.There are 9 red balls and 4 green balls. How many balls are there in all?
  11. 11.1 + 3 + 4 =
  12. 12.There are 11 red crayons and 5 blue crayons. How many crayons are there in all?
  13. 13.5 + 3 + 7 =
  14. 14.There are 10 green beads and 2 white beads. How many beads are there in all?
  15. 15.Ananya has 2 crayons and gets 4 crayons more. How many crayons does Ananya have now?
  16. 16.Rohan has 15 balloons and gets 3 balloons more. How many balloons does Rohan have now?
  17. 17.There are 5 pink crayons and 7 green crayons. How many crayons are there in all?
  18. 18.7 + ? = 11
  19. 19.1 + 2 + 17 =
  20. 20.9 + 3 =
  21. 21.4 + 2 =
  22. 22.6 + 5 + 1 =
  23. 23.10 + 2 =
  24. 24.Tara has 10 shells and gets 10 shells more. How many shells does Tara have now?
  25. 25.Rohan has 6 mangoes and gets 2 mangoes more. How many mangoes does Rohan have now?
  26. 26.2 + 6 + 6 =
  27. 27.There are 10 white kites and 9 blue kites. How many kites are there in all?
  28. 28.3 + 3 =
  29. 29.Aditya has 8 pencils and gets 2 pencils more. How many pencils does Aditya have now?
  30. 30.Aarav has 14 bananas and gets 1 banana more. How many bananas does Aarav have now?
  31. 31.Dev has 4 mangoes and gets 10 mangoes more. How many mangoes does Dev have now?
  32. 32.10 + 7 =
  33. 33.Aarav has 4 shells and gets 2 shells more. How many shells does Aarav have now?
  34. 34.Meera has 9 bananas and gets 2 bananas more. How many bananas does Meera have now?
  35. 35.There are 2 red kites and 5 green kites. How many kites are there in all?
  36. 36.17 + 1 =
  37. 37.8 + 5 + 2 =
  38. 38.1 + ? = 19
  39. 39.12 + 7 =
  40. 40.There are 5 white kites and 6 red kites. How many kites are there in all?

Answer key

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

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