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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 26 · 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 4 white flowers and 3 pink flowers. How many flowers are there in all?
  2. 2.There are 4 pink flowers and 2 red flowers. How many flowers are there in all?
  3. 3.Ananya has 7 books and gets 1 book more. How many books does Ananya have now?
  4. 4.3 + ? = 7
  5. 5.19 + 1 =
  6. 6.? + 2 = 14
  7. 7.3 + 4 + 12 =
  8. 8.? + 12 = 18
  9. 9.? + 6 = 11
  10. 10.? + 5 = 20
  11. 11.Aarav has 3 kites and gets 11 kites more. How many kites does Aarav have now?
  12. 12.10 + 4 =
  13. 13.? + 2 = 3
  14. 14.3 + 4 + 1 =
  15. 15.2 + 2 =
  16. 16.Ananya has 5 kites and gets 3 kites more. How many kites does Ananya have now?
  17. 17.Aarav has 10 laddoos and gets 3 laddoos more. How many laddoos does Aarav have now?
  18. 18.There are 2 red kites and 4 white kites. How many kites are there in all?
  19. 19.There are 9 green flowers and 4 pink flowers. How many flowers are there in all?
  20. 20.3 + ? = 11
  21. 21.There are 12 white kites and 3 yellow kites. How many kites are there in all?
  22. 22.1 + 4 =
  23. 23.1 + 8 + 9 =
  24. 24.There are 9 yellow beads and 8 blue beads. How many beads are there in all?
  25. 25.There are 8 red beads and 10 green beads. How many beads are there in all?
  26. 26.9 + ? = 18
  27. 27.Isha has 2 laddoos and gets 3 laddoos more. How many laddoos does Isha have now?
  28. 28.There are 8 yellow kites and 2 white kites. How many kites are there in all?
  29. 29.1 + 1 + 16 =
  30. 30.7 + 1 + 8 =
  31. 31.There are 10 blue beads and 3 red beads. How many beads are there in all?
  32. 32.There are 10 blue balls and 2 pink balls. How many balls are there in all?
  33. 33.6 + 2 + 4 =
  34. 34.? + 1 = 4
  35. 35.There are 2 red flowers and 12 yellow flowers. How many flowers are there in all?
  36. 36.2 + ? = 6
  37. 37.10 + 1 =
  38. 38.Gurpreet has 14 books and gets 5 books more. How many books does Gurpreet have now?
  39. 39.5 + 7 + 6 =
  40. 40.7 + 3 + 9 =

Answer key

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

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