← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 550 · 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.Karan has 13 marbles and gets 1 marble more. How many marbles does Karan have now?
  2. 2.3 + ? = 7
  3. 3.6 + 3 + 1 =
  4. 4.10 + 3 =
  5. 5.6 + 1 + 13 =
  6. 6.There are 11 green balloons and 6 red balloons. How many balloons are there in all?
  7. 7.5 + 2 + 13 =
  8. 8.19 + 1 =
  9. 9.7 + ? = 11
  10. 10.Joseph has 8 marbles and gets 7 marbles more. How many marbles does Joseph have now?
  11. 11.Rahul has 7 books and gets 11 books more. How many books does Rahul have now?
  12. 12.8 + 8 =
  13. 13.Kavya has 15 books and gets 4 books more. How many books does Kavya have now?
  14. 14.1 + 3 + 13 =
  15. 15.2 + 8 + 2 =
  16. 16.5 + 5 =
  17. 17.16 + 3 =
  18. 18.There are 2 pink crayons and 6 blue crayons. How many crayons are there in all?
  19. 19.8 + 3 + 3 =
  20. 20.There are 2 green crayons and 5 white crayons. How many crayons are there in all?
  21. 21.Farhan has 15 shells and gets 4 shells more. How many shells does Farhan have now?
  22. 22.1 + 3 + 8 =
  23. 23.2 + ? = 14
  24. 24.9 + ? = 11
  25. 25.There are 3 white beads and 8 yellow beads. How many beads are there in all?
  26. 26.3 + 1 + 2 =
  27. 27.? + 2 = 18
  28. 28.4 + ? = 6
  29. 29.? + 12 = 19
  30. 30.Saanvi has 4 shells and gets 13 shells more. How many shells does Saanvi have now?
  31. 31.5 + 6 + 5 =
  32. 32.12 + 6 =
  33. 33.18 + 2 =
  34. 34.There are 8 red beads and 7 blue beads. How many beads are there in all?
  35. 35.Arjun has 6 bananas and gets 8 bananas more. How many bananas does Arjun have now?
  36. 36.There are 3 yellow balls and 16 blue balls. How many balls are there in all?
  37. 37.5 + 8 + 5 =
  38. 38.4 + 10 =
  39. 39.? + 8 = 11
  40. 40.Joseph has 5 balls and gets 1 ball more. How many balls does Joseph have now?

Answer key

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

Free maths worksheets lessons, practice and worksheets at talentjr.in/maths-worksheets