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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 892 · 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. 1.11 + ? = 16
  2. 2.2 + 4 + 6 =
  3. 3.Saanvi has 12 pencils and gets 7 pencils more. How many pencils does Saanvi have now?
  4. 4.Manav has 4 balls and gets 7 balls more. How many balls does Manav have now?
  5. 5.16 + 1 =
  6. 6.6 + 1 =
  7. 7.? + 2 = 7
  8. 8.Zoya has 15 balloons and gets 2 balloons more. How many balloons does Zoya have now?
  9. 9.? + 2 = 10
  10. 10.Arjun has 15 laddoos and gets 1 laddoo more. How many laddoos does Arjun have now?
  11. 11.Nisha has 3 mangoes and gets 6 mangoes more. How many mangoes does Nisha have now?
  12. 12.There are 4 pink balls and 3 white balls. How many balls are there in all?
  13. 13.There are 3 white balloons and 9 green balloons. How many balloons are there in all?
  14. 14.6 + 2 + 12 =
  15. 15.Pooja has 5 books and gets 7 books more. How many books does Pooja have now?
  16. 16.8 + 3 + 8 =
  17. 17.1 + 15 =
  18. 18.7 + 1 + 10 =
  19. 19.Nisha has 8 books and gets 4 books more. How many books does Nisha have now?
  20. 20.There are 8 yellow flowers and 10 red flowers. How many flowers are there in all?
  21. 21.Saanvi has 12 pencils and gets 4 pencils more. How many pencils does Saanvi have now?
  22. 22.Kavya has 14 bananas and gets 6 bananas more. How many bananas does Kavya have now?
  23. 23.Farhan has 2 crayons and gets 8 crayons more. How many crayons does Farhan have now?
  24. 24.3 + 7 + 9 =
  25. 25.1 + ? = 3
  26. 26.7 + 13 =
  27. 27.7 + ? = 14
  28. 28.4 + 3 + 13 =
  29. 29.6 + 9 =
  30. 30.5 + 2 + 3 =
  31. 31.6 + ? = 10
  32. 32.4 + 3 =
  33. 33.There are 11 yellow crayons and 5 white crayons. How many crayons are there in all?
  34. 34.1 + 6 + 9 =
  35. 35.7 + 12 =
  36. 36.? + 1 = 5
  37. 37.1 + ? = 5
  38. 38.? + 5 = 14
  39. 39.Kabir has 10 balls and gets 7 balls more. How many balls does Kabir have now?
  40. 40.19 + 1 =

Answer key

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

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