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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 193 · 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 8 laddoos and gets 10 laddoos more. How many laddoos does Aarav have now?
  2. 2.4 + 7 + 9 =
  3. 3.Sneha has 13 shells and gets 1 shell more. How many shells does Sneha have now?
  4. 4.? + 1 = 8
  5. 5.Karan has 10 balls and gets 2 balls more. How many balls does Karan have now?
  6. 6.? + 14 = 16
  7. 7.9 + 7 =
  8. 8.13 + 7 =
  9. 9.Riya has 14 laddoos and gets 4 laddoos more. How many laddoos does Riya have now?
  10. 10.Aditya has 9 flowers and gets 9 flowers more. How many flowers does Aditya have now?
  11. 11.There are 4 green balloons and 14 red balloons. How many balloons are there in all?
  12. 12.1 + ? = 10
  13. 13.17 + 3 =
  14. 14.1 + ? = 4
  15. 15.Saanvi has 2 crayons and gets 4 crayons more. How many crayons does Saanvi have now?
  16. 16.7 + 3 =
  17. 17.1 + 5 + 2 =
  18. 18.There are 3 red kites and 2 green kites. How many kites are there in all?
  19. 19.17 + 1 =
  20. 20.8 + 11 =
  21. 21.There are 2 yellow beads and 7 green beads. How many beads are there in all?
  22. 22.Priya has 5 balls and gets 15 balls more. How many balls does Priya have now?
  23. 23.Kabir has 15 crayons and gets 2 crayons more. How many crayons does Kabir have now?
  24. 24.Aditya has 2 shells and gets 8 shells more. How many shells does Aditya have now?
  25. 25.4 + 2 + 8 =
  26. 26.? + 8 = 17
  27. 27.8 + ? = 19
  28. 28.Aarav has 11 pencils and gets 8 pencils more. How many pencils does Aarav have now?
  29. 29.Dev has 4 marbles and gets 4 marbles more. How many marbles does Dev have now?
  30. 30.5 + 8 + 2 =
  31. 31.? + 1 = 4
  32. 32.Joseph has 4 flowers and gets 9 flowers more. How many flowers does Joseph have now?
  33. 33.9 + 4 =
  34. 34.There are 5 green kites and 2 blue kites. How many kites are there in all?
  35. 35.4 + 4 + 1 =
  36. 36.2 + 8 + 4 =
  37. 37.Aarav has 5 balls and gets 1 ball more. How many balls does Aarav have now?
  38. 38.6 + 8 =
  39. 39.Zoya has 14 bananas and gets 6 bananas more. How many bananas does Zoya have now?
  40. 40.10 + 8 =

Answer key

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

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