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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 652 · 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 8 white flowers and 7 pink flowers. How many flowers are there in all?
  2. 2.1 + 2 + 11 =
  3. 3.There are 11 pink flowers and 4 red flowers. How many flowers are there in all?
  4. 4.3 + 8 =
  5. 5.Gurpreet has 9 mangoes and gets 1 mango more. How many mangoes does Gurpreet have now?
  6. 6.2 + 5 =
  7. 7.? + 6 = 7
  8. 8.12 + 7 =
  9. 9.There are 12 white flowers and 4 blue flowers. How many flowers are there in all?
  10. 10.7 + 12 =
  11. 11.16 + 4 =
  12. 12.? + 2 = 3
  13. 13.1 + 5 + 3 =
  14. 14.14 + ? = 15
  15. 15.4 + ? = 8
  16. 16.Farhan has 5 balloons and gets 5 balloons more. How many balloons does Farhan have now?
  17. 17.5 + 8 =
  18. 18.7 + 2 + 7 =
  19. 19.? + 5 = 9
  20. 20.? + 1 = 4
  21. 21.Rahul has 3 flowers and gets 4 flowers more. How many flowers does Rahul have now?
  22. 22.There are 5 pink balloons and 14 red balloons. How many balloons are there in all?
  23. 23.3 + 5 + 6 =
  24. 24.3 + 5 + 3 =
  25. 25.There are 4 white balls and 10 blue balls. How many balls are there in all?
  26. 26.15 + 2 =
  27. 27.There are 8 pink balloons and 7 blue balloons. How many balloons are there in all?
  28. 28.4 + 7 + 9 =
  29. 29.Meera has 11 books and gets 2 books more. How many books does Meera have now?
  30. 30.Riya has 3 crayons and gets 9 crayons more. How many crayons does Riya have now?
  31. 31.There are 7 yellow beads and 8 red beads. How many beads are there in all?
  32. 32.Manav has 15 laddoos and gets 5 laddoos more. How many laddoos does Manav have now?
  33. 33.There are 4 yellow balloons and 5 red balloons. How many balloons are there in all?
  34. 34.? + 9 = 11
  35. 35.1 + 3 + 10 =
  36. 36.Lakshmi has 15 pencils and gets 3 pencils more. How many pencils does Lakshmi have now?
  37. 37.There are 5 blue kites and 11 pink kites. How many kites are there in all?
  38. 38.5 + ? = 17
  39. 39.? + 1 = 6
  40. 40.1 + 5 + 8 =

Answer key

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

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