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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 713 · 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. 1.6 + 5 + 5 =
  2. 2.3 + 9 =
  3. 3.Farhan has 5 books and gets 12 books more. How many books does Farhan have now?
  4. 4.Zoya has 3 flowers and gets 15 flowers more. How many flowers does Zoya have now?
  5. 5.4 + 5 + 10 =
  6. 6.There are 6 blue kites and 5 green kites. How many kites are there in all?
  7. 7.6 + 8 + 5 =
  8. 8.Riya has 7 laddoos and gets 5 laddoos more. How many laddoos does Riya have now?
  9. 9.There are 9 blue beads and 4 red beads. How many beads are there in all?
  10. 10.8 + 7 + 3 =
  11. 11.Lakshmi has 6 laddoos and gets 1 laddoo more. How many laddoos does Lakshmi have now?
  12. 12.There are 10 red balls and 9 blue balls. How many balls are there in all?
  13. 13.17 + 3 =
  14. 14.15 + 2 =
  15. 15.Joseph has 15 bananas and gets 4 bananas more. How many bananas does Joseph have now?
  16. 16.4 + 4 + 7 =
  17. 17.There are 11 red kites and 3 pink kites. How many kites are there in all?
  18. 18.11 + 1 =
  19. 19.16 + ? = 18
  20. 20.Isha has 14 balls and gets 1 ball more. How many balls does Isha have now?
  21. 21.3 + 2 =
  22. 22.6 + 8 + 2 =
  23. 23.1 + 19 =
  24. 24.Zoya has 13 mangoes and gets 6 mangoes more. How many mangoes does Zoya have now?
  25. 25.7 + 1 + 2 =
  26. 26.There are 10 blue beads and 9 yellow beads. How many beads are there in all?
  27. 27.2 + 8 + 5 =
  28. 28.Meera has 8 balls and gets 4 balls more. How many balls does Meera have now?
  29. 29.There are 6 yellow beads and 3 white beads. How many beads are there in all?
  30. 30.7 + 2 + 1 =
  31. 31.11 + ? = 12
  32. 32.? + 2 = 3
  33. 33.There are 10 yellow beads and 7 white beads. How many beads are there in all?
  34. 34.5 + 3 + 1 =
  35. 35.There are 2 blue kites and 11 pink kites. How many kites are there in all?
  36. 36.Ananya has 10 books and gets 10 books more. How many books does Ananya have now?
  37. 37.2 + ? = 6
  38. 38.14 + 4 =
  39. 39.Diya has 3 laddoos and gets 9 laddoos more. How many laddoos does Diya have now?
  40. 40.3 + 7 =

Answer key

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

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