← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 796 · 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. 1.17 + 1 =
  2. 2.1 + ? = 5
  3. 3.5 + ? = 11
  4. 4.Rahul has 2 marbles and gets 4 marbles more. How many marbles does Rahul have now?
  5. 5.1 + ? = 4
  6. 6.Sneha has 7 bananas and gets 11 bananas more. How many bananas does Sneha have now?
  7. 7.Meera has 12 marbles and gets 7 marbles more. How many marbles does Meera have now?
  8. 8.Joseph has 3 marbles and gets 2 marbles more. How many marbles does Joseph have now?
  9. 9.There are 2 blue crayons and 11 white crayons. How many crayons are there in all?
  10. 10.There are 2 blue kites and 4 yellow kites. How many kites are there in all?
  11. 11.Saanvi has 5 balls and gets 1 ball more. How many balls does Saanvi have now?
  12. 12.? + 4 = 6
  13. 13.1 + 17 =
  14. 14.Diya has 4 mangoes and gets 1 mango more. How many mangoes does Diya have now?
  15. 15.8 + 1 =
  16. 16.There are 11 yellow beads and 9 blue beads. How many beads are there in all?
  17. 17.1 + ? = 11
  18. 18.Aditya has 2 balloons and gets 10 balloons more. How many balloons does Aditya have now?
  19. 19.There are 4 red balloons and 8 blue balloons. How many balloons are there in all?
  20. 20.11 + 3 =
  21. 21.5 + 4 + 2 =
  22. 22.5 + ? = 8
  23. 23.4 + 3 + 2 =
  24. 24.8 + ? = 12
  25. 25.Zoya has 8 balls and gets 2 balls more. How many balls does Zoya have now?
  26. 26.3 + 10 =
  27. 27.15 + 5 =
  28. 28.There are 12 red crayons and 3 white crayons. How many crayons are there in all?
  29. 29.6 + 1 =
  30. 30.3 + 2 + 8 =
  31. 31.1 + 6 + 8 =
  32. 32.19 + 1 =
  33. 33.3 + ? = 16
  34. 34.4 + 9 =
  35. 35.3 + ? = 18
  36. 36.There are 3 blue balloons and 17 green balloons. How many balloons are there in all?
  37. 37.2 + ? = 12
  38. 38.7 + 11 =
  39. 39.1 + 5 + 10 =
  40. 40.4 + 2 + 3 =

Answer key

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

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