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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 2 · 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. 1.5 + 3 =
  2. 2.? + 8 = 9
  3. 3.10 + 10 =
  4. 4.2 + 8 =
  5. 5.Aarav has 4 pencils and gets 3 pencils more. How many pencils does Aarav have now?
  6. 6.5 + 7 + 3 =
  7. 7.1 + 16 =
  8. 8.There are 10 pink crayons and 7 blue crayons. How many crayons are there in all?
  9. 9.There are 12 blue balloons and 5 red balloons. How many balloons are there in all?
  10. 10.Aarav has 11 laddoos and gets 8 laddoos more. How many laddoos does Aarav have now?
  11. 11.8 + 1 + 1 =
  12. 12.Kavya has 4 books and gets 11 books more. How many books does Kavya have now?
  13. 13.3 + 8 + 4 =
  14. 14.There are 9 blue flowers and 3 yellow flowers. How many flowers are there in all?
  15. 15.Zoya has 11 kites and gets 2 kites more. How many kites does Zoya have now?
  16. 16.Ananya has 6 flowers and gets 4 flowers more. How many flowers does Ananya have now?
  17. 17.There are 2 red balloons and 12 pink balloons. How many balloons are there in all?
  18. 18.There are 6 yellow balls and 3 green balls. How many balls are there in all?
  19. 19.Zoya has 15 pencils and gets 1 pencil more. How many pencils does Zoya have now?
  20. 20.6 + ? = 12
  21. 21.? + 4 = 10
  22. 22.There are 5 white balloons and 11 blue balloons. How many balloons are there in all?
  23. 23.4 + 4 + 6 =
  24. 24.? + 6 = 19
  25. 25.7 + 8 + 5 =
  26. 26.Aditya has 5 crayons and gets 14 crayons more. How many crayons does Aditya have now?
  27. 27.1 + 8 + 3 =
  28. 28.10 + 3 =
  29. 29.9 + 11 =
  30. 30.There are 11 white balloons and 4 yellow balloons. How many balloons are there in all?
  31. 31.? + 1 = 6
  32. 32.Aditya has 14 marbles and gets 4 marbles more. How many marbles does Aditya have now?
  33. 33.There are 3 yellow balls and 13 green balls. How many balls are there in all?
  34. 34.12 + 1 =
  35. 35.There are 10 red beads and 4 green beads. How many beads are there in all?
  36. 36.Farhan has 5 marbles and gets 1 marble more. How many marbles does Farhan have now?
  37. 37.6 + ? = 8
  38. 38.There are 4 pink kites and 9 green kites. How many kites are there in all?
  39. 39.Gurpreet has 6 kites and gets 12 kites more. How many kites does Gurpreet have now?
  40. 40.? + 1 = 3

Answer key

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

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