← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 324 · 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. 1.13 + 4 =
  2. 2.9 + 11 =
  3. 3.7 + ? = 10
  4. 4.6 + ? = 15
  5. 5.Aarav has 11 balls and gets 5 balls more. How many balls does Aarav have now?
  6. 6.19 + 1 =
  7. 7.4 + 1 + 2 =
  8. 8.2 + ? = 13
  9. 9.5 + 7 =
  10. 10.Kabir has 6 mangoes and gets 8 mangoes more. How many mangoes does Kabir have now?
  11. 11.2 + 16 =
  12. 12.There are 2 red balls and 13 yellow balls. How many balls are there in all?
  13. 13.Aditya has 10 mangoes and gets 8 mangoes more. How many mangoes does Aditya have now?
  14. 14.Diya has 5 kites and gets 1 kite more. How many kites does Diya have now?
  15. 15.4 + ? = 17
  16. 16.10 + 6 =
  17. 17.8 + 4 + 4 =
  18. 18.3 + 3 + 1 =
  19. 19.Riya has 7 laddoos and gets 1 laddoo more. How many laddoos does Riya have now?
  20. 20.? + 7 = 14
  21. 21.There are 2 red balloons and 10 blue balloons. How many balloons are there in all?
  22. 22.5 + 7 + 6 =
  23. 23.Pooja has 5 balloons and gets 5 balloons more. How many balloons does Pooja have now?
  24. 24.? + 8 = 17
  25. 25.Farhan has 4 pencils and gets 14 pencils more. How many pencils does Farhan have now?
  26. 26.6 + 6 + 2 =
  27. 27.There are 9 white beads and 9 yellow beads. How many beads are there in all?
  28. 28.Kabir has 11 bananas and gets 3 bananas more. How many bananas does Kabir have now?
  29. 29.5 + ? = 19
  30. 30.Priya has 8 mangoes and gets 10 mangoes more. How many mangoes does Priya have now?
  31. 31.2 + 3 + 4 =
  32. 32.Rohan has 10 laddoos and gets 10 laddoos more. How many laddoos does Rohan have now?
  33. 33.? + 7 = 12
  34. 34.2 + 18 =
  35. 35.1 + ? = 14
  36. 36.6 + 8 + 6 =
  37. 37.7 + 7 + 6 =
  38. 38.14 + 2 =
  39. 39.? + 15 = 17
  40. 40.Rahul has 12 balls and gets 6 balls more. How many balls does Rahul have now?

Answer key

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

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