← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 162 · 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 + 7 =
  2. 2.3 + 2 + 4 =
  3. 3.4 + 16 =
  4. 4.18 + 2 =
  5. 5.? + 1 = 16
  6. 6.Saanvi has 8 laddoos and gets 11 laddoos more. How many laddoos does Saanvi have now?
  7. 7.There are 6 green crayons and 13 yellow crayons. How many crayons are there in all?
  8. 8.There are 5 red crayons and 15 green crayons. How many crayons are there in all?
  9. 9.There are 3 white kites and 7 pink kites. How many kites are there in all?
  10. 10.Arjun has 13 balls and gets 5 balls more. How many balls does Arjun have now?
  11. 11.? + 7 = 8
  12. 12.15 + 1 =
  13. 13.5 + 7 =
  14. 14.3 + 6 =
  15. 15.3 + 17 =
  16. 16.Priya has 3 pencils and gets 10 pencils more. How many pencils does Priya have now?
  17. 17.4 + ? = 20
  18. 18.1 + 6 + 11 =
  19. 19.8 + ? = 9
  20. 20.Kavya has 15 shells and gets 4 shells more. How many shells does Kavya have now?
  21. 21.4 + ? = 7
  22. 22.Rohan has 5 mangoes and gets 7 mangoes more. How many mangoes does Rohan have now?
  23. 23.Kavya has 15 shells and gets 1 shell more. How many shells does Kavya have now?
  24. 24.7 + 2 + 9 =
  25. 25.There are 11 yellow balloons and 2 white balloons. How many balloons are there in all?
  26. 26.4 + ? = 5
  27. 27.There are 11 blue balls and 8 yellow balls. How many balls are there in all?
  28. 28.4 + 8 + 5 =
  29. 29.1 + 19 =
  30. 30.3 + 3 =
  31. 31.4 + ? = 11
  32. 32.11 + 7 =
  33. 33.15 + 2 =
  34. 34.14 + 1 =
  35. 35.3 + 16 =
  36. 36.19 + 1 =
  37. 37.There are 12 green balloons and 8 blue balloons. How many balloons are there in all?
  38. 38.5 + 3 + 4 =
  39. 39.? + 9 = 13
  40. 40.There are 4 white flowers and 3 yellow flowers. How many flowers are there in all?

Answer key

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

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