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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 363 · 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.There are 11 green flowers and 3 blue flowers. How many flowers are there in all?
  2. 2.6 + 3 + 9 =
  3. 3.Kabir has 12 bananas and gets 4 bananas more. How many bananas does Kabir have now?
  4. 4.There are 2 green flowers and 2 white flowers. How many flowers are there in all?
  5. 5.Gurpreet has 2 laddoos and gets 9 laddoos more. How many laddoos does Gurpreet have now?
  6. 6.3 + 11 =
  7. 7.Joseph has 4 kites and gets 13 kites more. How many kites does Joseph have now?
  8. 8.3 + 7 =
  9. 9.Nisha has 11 laddoos and gets 9 laddoos more. How many laddoos does Nisha have now?
  10. 10.There are 2 yellow beads and 10 red beads. How many beads are there in all?
  11. 11.1 + 4 + 9 =
  12. 12.7 + ? = 11
  13. 13.There are 12 blue flowers and 5 red flowers. How many flowers are there in all?
  14. 14.2 + 14 =
  15. 15.? + 5 = 6
  16. 16.There are 7 pink flowers and 7 white flowers. How many flowers are there in all?
  17. 17.6 + 3 =
  18. 18.? + 11 = 20
  19. 19.10 + 5 =
  20. 20.Dev has 6 crayons and gets 8 crayons more. How many crayons does Dev have now?
  21. 21.Priya has 14 laddoos and gets 5 laddoos more. How many laddoos does Priya have now?
  22. 22.Diya has 5 books and gets 13 books more. How many books does Diya have now?
  23. 23.? + 13 = 16
  24. 24.13 + 7 =
  25. 25.7 + 1 + 8 =
  26. 26.3 + 12 =
  27. 27.? + 2 = 7
  28. 28.7 + 3 + 4 =
  29. 29.8 + 7 + 5 =
  30. 30.? + 3 = 19
  31. 31.5 + 15 =
  32. 32.? + 9 = 18
  33. 33.8 + 4 + 6 =
  34. 34.16 + ? = 17
  35. 35.Riya has 5 flowers and gets 15 flowers more. How many flowers does Riya have now?
  36. 36.Karan has 5 shells and gets 1 shell more. How many shells does Karan have now?
  37. 37.? + 1 = 14
  38. 38.Dev has 10 balloons and gets 3 balloons more. How many balloons does Dev have now?
  39. 39.Meera has 5 shells and gets 14 shells more. How many shells does Meera have now?
  40. 40.17 + 2 =

Answer key

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

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