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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 778 · 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. 1.1 + 2 =
  2. 2.1 + ? = 6
  3. 3.Farhan has 10 laddoos and gets 8 laddoos more. How many laddoos does Farhan have now?
  4. 4.3 + ? = 17
  5. 5.Lakshmi has 4 pencils and gets 7 pencils more. How many pencils does Lakshmi have now?
  6. 6.8 + 3 + 1 =
  7. 7.3 + 1 + 3 =
  8. 8.14 + 6 =
  9. 9.? + 1 = 7
  10. 10.Riya has 14 kites and gets 3 kites more. How many kites does Riya have now?
  11. 11.5 + 2 =
  12. 12.There are 4 red balloons and 11 yellow balloons. How many balloons are there in all?
  13. 13.There are 2 green beads and 2 blue beads. How many beads are there in all?
  14. 14.There are 5 yellow flowers and 8 white flowers. How many flowers are there in all?
  15. 15.There are 9 yellow beads and 7 red beads. How many beads are there in all?
  16. 16.Isha has 3 books and gets 14 books more. How many books does Isha have now?
  17. 17.13 + 2 =
  18. 18.2 + 10 =
  19. 19.8 + 10 =
  20. 20.There are 4 blue beads and 14 yellow beads. How many beads are there in all?
  21. 21.There are 3 red kites and 13 green kites. How many kites are there in all?
  22. 22.? + 9 = 16
  23. 23.? + 6 = 11
  24. 24.There are 2 green balloons and 3 red balloons. How many balloons are there in all?
  25. 25.1 + ? = 9
  26. 26.4 + 1 + 10 =
  27. 27.? + 1 = 5
  28. 28.There are 6 blue kites and 14 pink kites. How many kites are there in all?
  29. 29.2 + 5 + 9 =
  30. 30.There are 5 pink flowers and 4 blue flowers. How many flowers are there in all?
  31. 31.1 + ? = 5
  32. 32.Ananya has 12 mangoes and gets 6 mangoes more. How many mangoes does Ananya have now?
  33. 33.1 + ? = 17
  34. 34.? + 7 = 13
  35. 35.There are 12 red beads and 6 white beads. How many beads are there in all?
  36. 36.6 + 2 + 1 =
  37. 37.1 + ? = 8
  38. 38.6 + 7 =
  39. 39.4 + 1 + 11 =
  40. 40.Priya has 6 balloons and gets 6 balloons more. How many balloons does Priya have now?

Answer key

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

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