← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 634 · 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. 1.3 + 2 + 2 =
  2. 2.? + 11 = 13
  3. 3.There are 9 blue balloons and 10 pink balloons. How many balloons are there in all?
  4. 4.2 + 2 + 8 =
  5. 5.5 + 8 + 1 =
  6. 6.Farhan has 2 pencils and gets 4 pencils more. How many pencils does Farhan have now?
  7. 7.? + 3 = 15
  8. 8.1 + 13 =
  9. 9.1 + 2 + 5 =
  10. 10.7 + 3 + 1 =
  11. 11.10 + 1 =
  12. 12.Dev has 15 bananas and gets 2 bananas more. How many bananas does Dev have now?
  13. 13.7 + 12 =
  14. 14.5 + 5 + 6 =
  15. 15.12 + 8 =
  16. 16.15 + 1 =
  17. 17.1 + 6 + 13 =
  18. 18.There are 4 blue kites and 9 pink kites. How many kites are there in all?
  19. 19.3 + 2 + 15 =
  20. 20.4 + 1 + 13 =
  21. 21.9 + 5 =
  22. 22.10 + ? = 13
  23. 23.Priya has 8 flowers and gets 5 flowers more. How many flowers does Priya have now?
  24. 24.Aditya has 14 pencils and gets 2 pencils more. How many pencils does Aditya have now?
  25. 25.Dev has 8 bananas and gets 2 bananas more. How many bananas does Dev have now?
  26. 26.4 + 3 + 12 =
  27. 27.Rohan has 13 bananas and gets 5 bananas more. How many bananas does Rohan have now?
  28. 28.? + 2 = 4
  29. 29.6 + 5 + 1 =
  30. 30.Saanvi has 3 balloons and gets 15 balloons more. How many balloons does Saanvi have now?
  31. 31.There are 2 blue kites and 14 white kites. How many kites are there in all?
  32. 32.19 + 1 =
  33. 33.Dev has 11 bananas and gets 4 bananas more. How many bananas does Dev have now?
  34. 34.1 + 1 + 6 =
  35. 35.There are 11 yellow balloons and 7 red balloons. How many balloons are there in all?
  36. 36.8 + 11 =
  37. 37.7 + 7 + 4 =
  38. 38.3 + 6 + 5 =
  39. 39.5 + 2 + 8 =
  40. 40.3 + 8 + 1 =

Answer key

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

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