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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 448 · 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.Vivaan has 11 books and gets 8 books more. How many books does Vivaan have now?
  2. 2.? + 10 = 17
  3. 3.There are 6 blue beads and 6 pink beads. How many beads are there in all?
  4. 4.There are 11 yellow beads and 5 blue beads. How many beads are there in all?
  5. 5.9 + 11 =
  6. 6.5 + 2 =
  7. 7.6 + 8 + 1 =
  8. 8.3 + 2 + 5 =
  9. 9.3 + ? = 5
  10. 10.4 + 2 + 6 =
  11. 11.Meera has 11 pencils and gets 8 pencils more. How many pencils does Meera have now?
  12. 12.7 + 1 + 3 =
  13. 13.1 + ? = 3
  14. 14.There are 4 blue flowers and 15 green flowers. How many flowers are there in all?
  15. 15.13 + 2 =
  16. 16.5 + 3 =
  17. 17.There are 3 blue kites and 17 pink kites. How many kites are there in all?
  18. 18.Kabir has 8 balls and gets 3 balls more. How many balls does Kabir have now?
  19. 19.7 + 1 =
  20. 20.There are 3 green flowers and 13 pink flowers. How many flowers are there in all?
  21. 21.Pooja has 4 marbles and gets 4 marbles more. How many marbles does Pooja have now?
  22. 22.? + 8 = 11
  23. 23.5 + 15 =
  24. 24.8 + 8 =
  25. 25.Farhan has 12 bananas and gets 7 bananas more. How many bananas does Farhan have now?
  26. 26.4 + 2 + 9 =
  27. 27.3 + 8 + 8 =
  28. 28.? + 4 = 7
  29. 29.Sneha has 11 shells and gets 6 shells more. How many shells does Sneha have now?
  30. 30.There are 2 white balloons and 4 green balloons. How many balloons are there in all?
  31. 31.1 + 6 + 3 =
  32. 32.7 + 5 + 6 =
  33. 33.? + 6 = 13
  34. 34.There are 11 green flowers and 9 pink flowers. How many flowers are there in all?
  35. 35.Saanvi has 13 bananas and gets 5 bananas more. How many bananas does Saanvi have now?
  36. 36.3 + 7 + 6 =
  37. 37.15 + 4 =
  38. 38.17 + 3 =
  39. 39.1 + 4 =
  40. 40.6 + 5 + 1 =

Answer key

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

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