← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 518 · 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.Aarav has 12 pencils and gets 4 pencils more. How many pencils does Aarav have now?
  2. 2.1 + ? = 6
  3. 3.1 + 6 + 3 =
  4. 4.Gurpreet has 14 books and gets 1 book more. How many books does Gurpreet have now?
  5. 5.8 + 7 + 2 =
  6. 6.? + 3 = 13
  7. 7.Riya has 13 shells and gets 7 shells more. How many shells does Riya have now?
  8. 8.15 + 1 =
  9. 9.There are 3 red crayons and 13 yellow crayons. How many crayons are there in all?
  10. 10.10 + 3 =
  11. 11.? + 2 = 8
  12. 12.3 + 8 + 9 =
  13. 13.Aditya has 14 shells and gets 5 shells more. How many shells does Aditya have now?
  14. 14.8 + 12 =
  15. 15.Ananya has 3 books and gets 12 books more. How many books does Ananya have now?
  16. 16.? + 12 = 14
  17. 17.2 + 5 + 1 =
  18. 18.13 + 5 =
  19. 19.? + 2 = 12
  20. 20.There are 10 red balls and 9 blue balls. How many balls are there in all?
  21. 21.Aarav has 6 flowers and gets 5 flowers more. How many flowers does Aarav have now?
  22. 22.3 + ? = 5
  23. 23.Farhan has 12 balloons and gets 6 balloons more. How many balloons does Farhan have now?
  24. 24.Ishaan has 5 laddoos and gets 13 laddoos more. How many laddoos does Ishaan have now?
  25. 25.There are 10 yellow balloons and 9 red balloons. How many balloons are there in all?
  26. 26.3 + 4 + 11 =
  27. 27.7 + 1 =
  28. 28.Karan has 8 pencils and gets 8 pencils more. How many pencils does Karan have now?
  29. 29.There are 7 yellow beads and 2 red beads. How many beads are there in all?
  30. 30.19 + 1 =
  31. 31.12 + 3 =
  32. 32.2 + 8 + 3 =
  33. 33.2 + 8 =
  34. 34.2 + 16 =
  35. 35.? + 3 = 17
  36. 36.17 + 2 =
  37. 37.Rohan has 15 kites and gets 2 kites more. How many kites does Rohan have now?
  38. 38.Dev has 7 books and gets 10 books more. How many books does Dev have now?
  39. 39.There are 8 green balloons and 12 red balloons. How many balloons are there in all?
  40. 40.1 + 4 + 11 =

Answer key

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

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