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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 706 · 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.? + 2 = 8
  2. 2.3 + 5 =
  3. 3.There are 9 yellow kites and 8 pink kites. How many kites are there in all?
  4. 4.1 + 11 =
  5. 5.There are 5 green flowers and 12 pink flowers. How many flowers are there in all?
  6. 6.4 + 8 + 2 =
  7. 7.Isha has 5 mangoes and gets 15 mangoes more. How many mangoes does Isha have now?
  8. 8.Kabir has 7 flowers and gets 2 flowers more. How many flowers does Kabir have now?
  9. 9.There are 5 yellow balls and 3 blue balls. How many balls are there in all?
  10. 10.Joseph has 2 balloons and gets 2 balloons more. How many balloons does Joseph have now?
  11. 11.There are 3 blue balls and 13 white balls. How many balls are there in all?
  12. 12.3 + ? = 7
  13. 13.There are 10 white flowers and 2 yellow flowers. How many flowers are there in all?
  14. 14.17 + 1 =
  15. 15.15 + 1 =
  16. 16.1 + ? = 8
  17. 17.There are 10 pink crayons and 6 green crayons. How many crayons are there in all?
  18. 18.5 + 7 + 8 =
  19. 19.6 + 4 + 1 =
  20. 20.? + 5 = 16
  21. 21.1 + 5 =
  22. 22.Joseph has 14 pencils and gets 4 pencils more. How many pencils does Joseph have now?
  23. 23.There are 9 white balls and 11 red balls. How many balls are there in all?
  24. 24.4 + 5 =
  25. 25.? + 1 = 4
  26. 26.1 + 3 + 15 =
  27. 27.1 + 8 + 10 =
  28. 28.There are 8 pink kites and 2 blue kites. How many kites are there in all?
  29. 29.10 + 10 =
  30. 30.Rohan has 12 laddoos and gets 4 laddoos more. How many laddoos does Rohan have now?
  31. 31.6 + 6 + 4 =
  32. 32.There are 8 yellow kites and 4 blue kites. How many kites are there in all?
  33. 33.18 + 1 =
  34. 34.There are 6 blue balls and 8 pink balls. How many balls are there in all?
  35. 35.4 + ? = 12
  36. 36.8 + 8 + 2 =
  37. 37.10 + 5 =
  38. 38.Gurpreet has 3 kites and gets 3 kites more. How many kites does Gurpreet have now?
  39. 39.2 + ? = 16
  40. 40.7 + 2 + 9 =

Answer key

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

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