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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 785 · 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.Aarav has 14 pencils and gets 2 pencils more. How many pencils does Aarav have now?
  2. 2.4 + 5 =
  3. 3.2 + 3 + 10 =
  4. 4.2 + 3 + 12 =
  5. 5.Aarav has 12 shells and gets 2 shells more. How many shells does Aarav have now?
  6. 6.11 + 4 =
  7. 7.2 + 8 + 10 =
  8. 8.19 + 1 =
  9. 9.There are 2 green kites and 12 yellow kites. How many kites are there in all?
  10. 10.1 + ? = 14
  11. 11.Ananya has 8 books and gets 3 books more. How many books does Ananya have now?
  12. 12.? + 3 = 16
  13. 13.15 + 4 =
  14. 14.Rahul has 3 mangoes and gets 1 mango more. How many mangoes does Rahul have now?
  15. 15.7 + 6 + 6 =
  16. 16.Rohan has 2 laddoos and gets 6 laddoos more. How many laddoos does Rohan have now?
  17. 17.6 + 8 + 4 =
  18. 18.12 + 2 =
  19. 19.5 + 4 + 2 =
  20. 20.13 + ? = 16
  21. 21.Rahul has 13 pencils and gets 4 pencils more. How many pencils does Rahul have now?
  22. 22.Manav has 11 balloons and gets 3 balloons more. How many balloons does Manav have now?
  23. 23.There are 11 pink flowers and 2 blue flowers. How many flowers are there in all?
  24. 24.7 + 3 + 7 =
  25. 25.Nisha has 10 flowers and gets 2 flowers more. How many flowers does Nisha have now?
  26. 26.? + 5 = 16
  27. 27.4 + 10 =
  28. 28.7 + 1 + 7 =
  29. 29.There are 10 blue balls and 3 yellow balls. How many balls are there in all?
  30. 30.7 + 8 + 2 =
  31. 31.11 + 1 =
  32. 32.Lakshmi has 11 shells and gets 3 shells more. How many shells does Lakshmi have now?
  33. 33.17 + 3 =
  34. 34.1 + 5 + 14 =
  35. 35.There are 11 red flowers and 6 green flowers. How many flowers are there in all?
  36. 36.16 + 1 =
  37. 37.13 + 5 =
  38. 38.1 + ? = 4
  39. 39.15 + 2 =
  40. 40.Karan has 11 bananas and gets 9 bananas more. How many bananas does Karan have now?

Answer key

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

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