← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 426 · 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.? + 2 = 8
  2. 2.? + 12 = 16
  3. 3.Kavya has 11 books and gets 8 books more. How many books does Kavya have now?
  4. 4.6 + 14 =
  5. 5.5 + 8 =
  6. 6.2 + 3 =
  7. 7.There are 4 pink balloons and 16 white balloons. How many balloons are there in all?
  8. 8.There are 4 white beads and 3 yellow beads. How many beads are there in all?
  9. 9.? + 9 = 13
  10. 10.There are 5 white flowers and 7 pink flowers. How many flowers are there in all?
  11. 11.7 + 4 =
  12. 12.5 + 2 + 7 =
  13. 13.Diya has 14 balls and gets 1 ball more. How many balls does Diya have now?
  14. 14.2 + 7 + 11 =
  15. 15.1 + 6 =
  16. 16.12 + 4 =
  17. 17.8 + 6 + 1 =
  18. 18.6 + ? = 18
  19. 19.? + 1 = 18
  20. 20.Dev has 4 kites and gets 1 kite more. How many kites does Dev have now?
  21. 21.There are 6 white flowers and 4 blue flowers. How many flowers are there in all?
  22. 22.1 + 3 + 7 =
  23. 23.3 + 2 =
  24. 24.Rohan has 11 pencils and gets 1 pencil more. How many pencils does Rohan have now?
  25. 25.Ishaan has 13 laddoos and gets 1 laddoo more. How many laddoos does Ishaan have now?
  26. 26.There are 4 red beads and 9 green beads. How many beads are there in all?
  27. 27.8 + 2 =
  28. 28.2 + ? = 9
  29. 29.4 + ? = 5
  30. 30.Rahul has 7 books and gets 13 books more. How many books does Rahul have now?
  31. 31.There are 10 pink balls and 3 green balls. How many balls are there in all?
  32. 32.There are 2 green balls and 6 red balls. How many balls are there in all?
  33. 33.2 + 2 + 16 =
  34. 34.? + 1 = 3
  35. 35.There are 12 white beads and 5 red beads. How many beads are there in all?
  36. 36.3 + ? = 17
  37. 37.7 + 8 =
  38. 38.1 + ? = 6
  39. 39.Karan has 8 laddoos and gets 9 laddoos more. How many laddoos does Karan have now?
  40. 40.7 + 5 + 1 =

Answer key

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

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