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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 194 · 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 12 pink balls and 8 white balls. How many balls are there in all?
  2. 2.There are 8 white balls and 6 red balls. How many balls are there in all?
  3. 3.Rohan has 13 books and gets 5 books more. How many books does Rohan have now?
  4. 4.There are 11 blue beads and 6 red beads. How many beads are there in all?
  5. 5.There are 7 red kites and 13 green kites. How many kites are there in all?
  6. 6.5 + 14 =
  7. 7.3 + ? = 7
  8. 8.? + 3 = 10
  9. 9.There are 7 green flowers and 12 yellow flowers. How many flowers are there in all?
  10. 10.? + 1 = 11
  11. 11.2 + 5 + 8 =
  12. 12.1 + ? = 8
  13. 13.There are 3 blue crayons and 3 red crayons. How many crayons are there in all?
  14. 14.Manav has 11 flowers and gets 6 flowers more. How many flowers does Manav have now?
  15. 15.Arjun has 8 flowers and gets 12 flowers more. How many flowers does Arjun have now?
  16. 16.There are 3 yellow beads and 7 green beads. How many beads are there in all?
  17. 17.18 + 1 =
  18. 18.10 + 3 =
  19. 19.Farhan has 8 bananas and gets 4 bananas more. How many bananas does Farhan have now?
  20. 20.Vivaan has 12 kites and gets 8 kites more. How many kites does Vivaan have now?
  21. 21.7 + ? = 10
  22. 22.3 + 12 =
  23. 23.6 + 3 + 2 =
  24. 24.There are 5 white balloons and 3 yellow balloons. How many balloons are there in all?
  25. 25.6 + 2 + 10 =
  26. 26.Joseph has 11 shells and gets 7 shells more. How many shells does Joseph have now?
  27. 27.Priya has 5 balloons and gets 8 balloons more. How many balloons does Priya have now?
  28. 28.There are 12 yellow balloons and 3 white balloons. How many balloons are there in all?
  29. 29.4 + ? = 5
  30. 30.4 + 2 + 12 =
  31. 31.There are 8 blue beads and 9 pink beads. How many beads are there in all?
  32. 32.Sneha has 9 flowers and gets 2 flowers more. How many flowers does Sneha have now?
  33. 33.1 + 2 + 15 =
  34. 34.4 + 2 + 6 =
  35. 35.Rohan has 9 balls and gets 11 balls more. How many balls does Rohan have now?
  36. 36.There are 2 white beads and 10 red beads. How many beads are there in all?
  37. 37.Manav has 5 pencils and gets 3 pencils more. How many pencils does Manav have now?
  38. 38.? + 13 = 17
  39. 39.8 + 6 + 5 =
  40. 40.4 + 2 + 10 =

Answer key

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

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