← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 111 · 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 = 3
  2. 2.? + 3 = 10
  3. 3.Diya has 6 pencils and gets 13 pencils more. How many pencils does Diya have now?
  4. 4.12 + 3 =
  5. 5.Gurpreet has 11 balls and gets 1 ball more. How many balls does Gurpreet have now?
  6. 6.There are 3 white crayons and 14 green crayons. How many crayons are there in all?
  7. 7.16 + 1 =
  8. 8.Vivaan has 15 books and gets 1 book more. How many books does Vivaan have now?
  9. 9.Kabir has 3 flowers and gets 16 flowers more. How many flowers does Kabir have now?
  10. 10.6 + 4 + 6 =
  11. 11.12 + 4 =
  12. 12.Manav has 2 balloons and gets 5 balloons more. How many balloons does Manav have now?
  13. 13.11 + 9 =
  14. 14.Aarav has 2 flowers and gets 6 flowers more. How many flowers does Aarav have now?
  15. 15.9 + 9 =
  16. 16.There are 10 red beads and 10 pink beads. How many beads are there in all?
  17. 17.Dev has 6 marbles and gets 13 marbles more. How many marbles does Dev have now?
  18. 18.6 + 1 =
  19. 19.Meera has 11 marbles and gets 3 marbles more. How many marbles does Meera have now?
  20. 20.Saanvi has 6 books and gets 5 books more. How many books does Saanvi have now?
  21. 21.2 + 3 =
  22. 22.There are 9 white crayons and 7 yellow crayons. How many crayons are there in all?
  23. 23.4 + 3 =
  24. 24.? + 12 = 17
  25. 25.8 + 1 + 8 =
  26. 26.11 + 4 =
  27. 27.2 + ? = 11
  28. 28.Dev has 13 marbles and gets 5 marbles more. How many marbles does Dev have now?
  29. 29.? + 4 = 6
  30. 30.Diya has 6 bananas and gets 3 bananas more. How many bananas does Diya have now?
  31. 31.2 + 17 =
  32. 32.1 + ? = 10
  33. 33.19 + 1 =
  34. 34.There are 6 blue beads and 11 yellow beads. How many beads are there in all?
  35. 35.4 + 9 =
  36. 36.2 + 1 + 13 =
  37. 37.5 + ? = 14
  38. 38.Ananya has 15 shells and gets 2 shells more. How many shells does Ananya have now?
  39. 39.6 + 6 + 7 =
  40. 40.Diya has 3 balls and gets 5 balls more. How many balls does Diya have now?

Answer key

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

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