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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 894 · 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.Nisha has 2 pencils and gets 4 pencils more. How many pencils does Nisha have now?
  2. 2.There are 2 blue crayons and 7 white crayons. How many crayons are there in all?
  3. 3.3 + 3 + 10 =
  4. 4.? + 7 = 15
  5. 5.3 + 2 + 2 =
  6. 6.Joseph has 14 bananas and gets 1 banana more. How many bananas does Joseph have now?
  7. 7.Vivaan has 12 books and gets 8 books more. How many books does Vivaan have now?
  8. 8.Aditya has 15 pencils and gets 1 pencil more. How many pencils does Aditya have now?
  9. 9.There are 2 blue flowers and 11 green flowers. How many flowers are there in all?
  10. 10.18 + 1 =
  11. 11.16 + 2 =
  12. 12.Gurpreet has 6 bananas and gets 4 bananas more. How many bananas does Gurpreet have now?
  13. 13.5 + 4 + 4 =
  14. 14.15 + 1 =
  15. 15.Joseph has 2 flowers and gets 2 flowers more. How many flowers does Joseph have now?
  16. 16.Farhan has 9 bananas and gets 9 bananas more. How many bananas does Farhan have now?
  17. 17.6 + 3 + 3 =
  18. 18.17 + 1 =
  19. 19.? + 7 = 10
  20. 20.? + 1 = 9
  21. 21.17 + 2 =
  22. 22.12 + 4 =
  23. 23.There are 8 yellow kites and 11 blue kites. How many kites are there in all?
  24. 24.1 + ? = 4
  25. 25.Aarav has 10 bananas and gets 3 bananas more. How many bananas does Aarav have now?
  26. 26.Farhan has 11 pencils and gets 3 pencils more. How many pencils does Farhan have now?
  27. 27.There are 3 blue balloons and 2 red balloons. How many balloons are there in all?
  28. 28.Kabir has 7 shells and gets 5 shells more. How many shells does Kabir have now?
  29. 29.2 + 12 =
  30. 30.12 + 7 =
  31. 31.2 + 4 + 4 =
  32. 32.Joseph has 2 pencils and gets 2 pencils more. How many pencils does Joseph have now?
  33. 33.There are 11 red crayons and 7 yellow crayons. How many crayons are there in all?
  34. 34.3 + ? = 8
  35. 35.3 + 6 + 10 =
  36. 36.6 + 3 + 4 =
  37. 37.14 + 1 =
  38. 38.3 + ? = 4
  39. 39.? + 9 = 13
  40. 40.Ananya has 8 bananas and gets 11 bananas more. How many bananas does Ananya have now?

Answer key

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

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