← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 418 · 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 = 19
  2. 2.5 + ? = 7
  3. 3.Aarav has 4 balls and gets 3 balls more. How many balls does Aarav have now?
  4. 4.? + 4 = 5
  5. 5.Rahul has 11 books and gets 7 books more. How many books does Rahul have now?
  6. 6.2 + 5 + 1 =
  7. 7.5 + 5 + 6 =
  8. 8.Pooja has 2 books and gets 14 books more. How many books does Pooja have now?
  9. 9.3 + 7 + 5 =
  10. 10.5 + 5 + 1 =
  11. 11.There are 9 pink balls and 3 blue balls. How many balls are there in all?
  12. 12.9 + 11 =
  13. 13.1 + 3 + 10 =
  14. 14.7 + 2 + 8 =
  15. 15.7 + 10 =
  16. 16.Aditya has 13 marbles and gets 4 marbles more. How many marbles does Aditya have now?
  17. 17.3 + 9 =
  18. 18.Zoya has 4 crayons and gets 13 crayons more. How many crayons does Zoya have now?
  19. 19.1 + 7 + 3 =
  20. 20.There are 2 green balloons and 17 yellow balloons. How many balloons are there in all?
  21. 21.Kavya has 3 crayons and gets 8 crayons more. How many crayons does Kavya have now?
  22. 22.? + 7 = 11
  23. 23.1 + 3 + 14 =
  24. 24.14 + 3 =
  25. 25.2 + ? = 3
  26. 26.5 + 9 =
  27. 27.2 + ? = 4
  28. 28.4 + 3 + 12 =
  29. 29.11 + 9 =
  30. 30.Rahul has 12 flowers and gets 2 flowers more. How many flowers does Rahul have now?
  31. 31.17 + ? = 19
  32. 32.Zoya has 11 bananas and gets 3 bananas more. How many bananas does Zoya have now?
  33. 33.There are 3 red beads and 4 white beads. How many beads are there in all?
  34. 34.15 + 4 =
  35. 35.Nisha has 9 balls and gets 2 balls more. How many balls does Nisha have now?
  36. 36.Tara has 13 mangoes and gets 2 mangoes more. How many mangoes does Tara have now?
  37. 37.There are 12 white flowers and 7 green flowers. How many flowers are there in all?
  38. 38.2 + 12 =
  39. 39.15 + 2 =
  40. 40.Tara has 4 flowers and gets 5 flowers more. How many flowers does Tara have now?

Answer key

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

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