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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 202 · 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 5 red kites and 7 green kites. How many kites are there in all?
  2. 2.There are 5 white flowers and 2 blue flowers. How many flowers are there in all?
  3. 3.There are 3 blue kites and 17 white kites. How many kites are there in all?
  4. 4.Isha has 4 laddoos and gets 2 laddoos more. How many laddoos does Isha have now?
  5. 5.Vivaan has 9 flowers and gets 8 flowers more. How many flowers does Vivaan have now?
  6. 6.There are 10 red flowers and 10 white flowers. How many flowers are there in all?
  7. 7.5 + 2 + 10 =
  8. 8.1 + 15 =
  9. 9.There are 5 red crayons and 13 pink crayons. How many crayons are there in all?
  10. 10.Aarav has 3 books and gets 2 books more. How many books does Aarav have now?
  11. 11.There are 10 red crayons and 3 yellow crayons. How many crayons are there in all?
  12. 12.Riya has 2 pencils and gets 14 pencils more. How many pencils does Riya have now?
  13. 13.There are 4 yellow kites and 4 blue kites. How many kites are there in all?
  14. 14.8 + 11 =
  15. 15.Riya has 8 pencils and gets 2 pencils more. How many pencils does Riya have now?
  16. 16.? + 1 = 7
  17. 17.Karan has 11 pencils and gets 3 pencils more. How many pencils does Karan have now?
  18. 18.14 + 6 =
  19. 19.There are 3 yellow balls and 6 blue balls. How many balls are there in all?
  20. 20.16 + 4 =
  21. 21.3 + ? = 16
  22. 22.There are 10 blue balloons and 8 yellow balloons. How many balloons are there in all?
  23. 23.4 + 14 =
  24. 24.Tara has 11 shells and gets 5 shells more. How many shells does Tara have now?
  25. 25.? + 5 = 13
  26. 26.7 + 5 =
  27. 27.There are 4 blue beads and 10 red beads. How many beads are there in all?
  28. 28.1 + 1 + 10 =
  29. 29.There are 7 white balloons and 11 red balloons. How many balloons are there in all?
  30. 30.1 + 1 + 12 =
  31. 31.10 + 8 =
  32. 32.2 + 5 + 9 =
  33. 33.5 + 1 + 1 =
  34. 34.3 + 8 + 2 =
  35. 35.Meera has 9 pencils and gets 10 pencils more. How many pencils does Meera have now?
  36. 36.3 + 6 + 6 =
  37. 37.17 + 3 =
  38. 38.1 + ? = 3
  39. 39.13 + 6 =
  40. 40.8 + 7 + 2 =

Answer key

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

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