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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 362 · 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.Isha has 13 bananas and gets 6 bananas more. How many bananas does Isha have now?
  2. 2.6 + 1 =
  3. 3.10 + 10 =
  4. 4.Aarav has 9 books and gets 6 books more. How many books does Aarav have now?
  5. 5.10 + 6 =
  6. 6.Diya has 4 books and gets 16 books more. How many books does Diya have now?
  7. 7.Diya has 6 laddoos and gets 11 laddoos more. How many laddoos does Diya have now?
  8. 8.8 + 1 =
  9. 9.There are 4 green balls and 6 yellow balls. How many balls are there in all?
  10. 10.3 + 1 + 15 =
  11. 11.1 + ? = 16
  12. 12.There are 6 white crayons and 14 green crayons. How many crayons are there in all?
  13. 13.3 + 1 + 16 =
  14. 14.1 + 2 + 7 =
  15. 15.14 + 4 =
  16. 16.6 + 3 =
  17. 17.There are 6 red beads and 10 yellow beads. How many beads are there in all?
  18. 18.? + 10 = 16
  19. 19.Rohan has 10 crayons and gets 9 crayons more. How many crayons does Rohan have now?
  20. 20.18 + 1 =
  21. 21.3 + 9 =
  22. 22.Diya has 4 kites and gets 15 kites more. How many kites does Diya have now?
  23. 23.5 + 8 + 6 =
  24. 24.2 + 5 + 10 =
  25. 25.2 + ? = 5
  26. 26.Tara has 14 marbles and gets 3 marbles more. How many marbles does Tara have now?
  27. 27.There are 7 blue crayons and 2 red crayons. How many crayons are there in all?
  28. 28.There are 8 green balls and 5 white balls. How many balls are there in all?
  29. 29.Aarav has 4 flowers and gets 14 flowers more. How many flowers does Aarav have now?
  30. 30.Pooja has 2 pencils and gets 1 pencil more. How many pencils does Pooja have now?
  31. 31.3 + 2 + 10 =
  32. 32.2 + 4 + 13 =
  33. 33.There are 11 blue beads and 6 white beads. How many beads are there in all?
  34. 34.Farhan has 15 books and gets 5 books more. How many books does Farhan have now?
  35. 35.Arjun has 11 pencils and gets 3 pencils more. How many pencils does Arjun have now?
  36. 36.Dev has 14 laddoos and gets 4 laddoos more. How many laddoos does Dev have now?
  37. 37.There are 12 blue balloons and 2 green balloons. How many balloons are there in all?
  38. 38.14 + 6 =
  39. 39.3 + 8 + 2 =
  40. 40.There are 10 blue beads and 5 white beads. How many beads are there in all?

Answer key

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

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