← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 315 · 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. 1.8 + ? = 9
  2. 2.13 + 5 =
  3. 3.Dev has 3 balloons and gets 17 balloons more. How many balloons does Dev have now?
  4. 4.There are 11 pink balls and 8 blue balls. How many balls are there in all?
  5. 5.? + 6 = 7
  6. 6.? + 8 = 14
  7. 7.11 + 4 =
  8. 8.3 + 5 + 4 =
  9. 9.4 + 10 =
  10. 10.Kavya has 14 bananas and gets 4 bananas more. How many bananas does Kavya have now?
  11. 11.Saanvi has 8 balls and gets 12 balls more. How many balls does Saanvi have now?
  12. 12.? + 3 = 14
  13. 13.10 + 6 =
  14. 14.4 + 7 + 8 =
  15. 15.16 + ? = 20
  16. 16.5 + 3 + 8 =
  17. 17.There are 7 red crayons and 10 pink crayons. How many crayons are there in all?
  18. 18.Arjun has 7 pencils and gets 1 pencil more. How many pencils does Arjun have now?
  19. 19.6 + 4 + 1 =
  20. 20.1 + 1 =
  21. 21.4 + ? = 10
  22. 22.17 + 3 =
  23. 23.? + 6 = 19
  24. 24.? + 10 = 12
  25. 25.16 + 4 =
  26. 26.7 + 13 =
  27. 27.3 + 7 + 5 =
  28. 28.? + 8 = 11
  29. 29.There are 12 green beads and 3 yellow beads. How many beads are there in all?
  30. 30.6 + 3 + 9 =
  31. 31.2 + 7 + 4 =
  32. 32.4 + 5 =
  33. 33.12 + 6 =
  34. 34.3 + 3 + 2 =
  35. 35.19 + 1 =
  36. 36.5 + 11 =
  37. 37.4 + 2 =
  38. 38.Ananya has 13 kites and gets 5 kites more. How many kites does Ananya have now?
  39. 39.Farhan has 5 marbles and gets 1 marble more. How many marbles does Farhan have now?
  40. 40.14 + 2 =

Answer key

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

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