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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 668 · 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.Joseph has 8 bananas and gets 3 bananas more. How many bananas does Joseph have now?
  2. 2.2 + 8 + 5 =
  3. 3.2 + 18 =
  4. 4.Kavya has 9 balls and gets 4 balls more. How many balls does Kavya have now?
  5. 5.2 + 4 + 3 =
  6. 6.? + 2 = 12
  7. 7.There are 2 pink flowers and 9 yellow flowers. How many flowers are there in all?
  8. 8.5 + 7 + 5 =
  9. 9.8 + 6 + 1 =
  10. 10.Riya has 11 kites and gets 2 kites more. How many kites does Riya have now?
  11. 11.? + 9 = 14
  12. 12.11 + 2 =
  13. 13.Aditya has 15 crayons and gets 2 crayons more. How many crayons does Aditya have now?
  14. 14.7 + 4 + 5 =
  15. 15.There are 9 red flowers and 10 blue flowers. How many flowers are there in all?
  16. 16.1 + ? = 4
  17. 17.1 + 5 + 8 =
  18. 18.16 + 1 =
  19. 19.5 + 5 + 8 =
  20. 20.3 + 2 =
  21. 21.4 + 15 =
  22. 22.16 + 4 =
  23. 23.4 + 3 =
  24. 24.There are 6 green crayons and 2 red crayons. How many crayons are there in all?
  25. 25.There are 8 red kites and 10 pink kites. How many kites are there in all?
  26. 26.3 + 8 + 9 =
  27. 27.1 + ? = 12
  28. 28.There are 8 white beads and 7 yellow beads. How many beads are there in all?
  29. 29.Joseph has 5 balls and gets 9 balls more. How many balls does Joseph have now?
  30. 30.14 + 3 =
  31. 31.1 + 1 + 18 =
  32. 32.Ananya has 3 marbles and gets 1 marble more. How many marbles does Ananya have now?
  33. 33.5 + 6 =
  34. 34.There are 2 blue crayons and 6 yellow crayons. How many crayons are there in all?
  35. 35.1 + ? = 3
  36. 36.Vivaan has 13 books and gets 7 books more. How many books does Vivaan have now?
  37. 37.Kabir has 13 pencils and gets 5 pencils more. How many pencils does Kabir have now?
  38. 38.3 + ? = 11
  39. 39.There are 9 pink kites and 7 yellow kites. How many kites are there in all?
  40. 40.2 + 8 + 3 =

Answer key

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

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