← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 556 · 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. 1.1 + ? = 4
  2. 2.3 + 4 =
  3. 3.? + 3 = 5
  4. 4.There are 9 white balloons and 5 blue balloons. How many balloons are there in all?
  5. 5.3 + ? = 4
  6. 6.9 + 5 =
  7. 7.? + 1 = 3
  8. 8.Rohan has 5 balls and gets 11 balls more. How many balls does Rohan have now?
  9. 9.? + 9 = 17
  10. 10.6 + 5 + 4 =
  11. 11.1 + 1 + 17 =
  12. 12.? + 4 = 14
  13. 13.? + 3 = 12
  14. 14.6 + 8 + 2 =
  15. 15.1 + 2 + 12 =
  16. 16.10 + 8 =
  17. 17.? + 10 = 12
  18. 18.3 + 6 + 3 =
  19. 19.1 + 7 + 2 =
  20. 20.18 + 2 =
  21. 21.1 + 5 =
  22. 22.6 + ? = 18
  23. 23.17 + 3 =
  24. 24.Priya has 7 marbles and gets 13 marbles more. How many marbles does Priya have now?
  25. 25.? + 2 = 4
  26. 26.18 + 1 =
  27. 27.Arjun has 3 mangoes and gets 7 mangoes more. How many mangoes does Arjun have now?
  28. 28.3 + ? = 5
  29. 29.Farhan has 9 crayons and gets 1 crayon more. How many crayons does Farhan have now?
  30. 30.There are 2 blue kites and 18 green kites. How many kites are there in all?
  31. 31.There are 8 white flowers and 5 green flowers. How many flowers are there in all?
  32. 32.11 + 5 =
  33. 33.6 + 6 + 7 =
  34. 34.? + 1 = 18
  35. 35.? + 1 = 4
  36. 36.Rohan has 8 pencils and gets 4 pencils more. How many pencils does Rohan have now?
  37. 37.Kavya has 13 books and gets 5 books more. How many books does Kavya have now?
  38. 38.Manav has 9 balloons and gets 1 balloon more. How many balloons does Manav have now?
  39. 39.? + 3 = 17
  40. 40.There are 5 blue flowers and 9 red flowers. How many flowers are there in all?

Answer key

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

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