← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 322 · 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.Zoya has 12 pencils and gets 7 pencils more. How many pencils does Zoya have now?
  2. 2.18 + 1 =
  3. 3.There are 2 white crayons and 15 pink crayons. How many crayons are there in all?
  4. 4.1 + 9 =
  5. 5.6 + 4 =
  6. 6.8 + 8 =
  7. 7.8 + 1 + 1 =
  8. 8.There are 8 green balls and 9 blue balls. How many balls are there in all?
  9. 9.Arjun has 15 balls and gets 4 balls more. How many balls does Arjun have now?
  10. 10.There are 2 red flowers and 14 pink flowers. How many flowers are there in all?
  11. 11.There are 11 blue crayons and 3 pink crayons. How many crayons are there in all?
  12. 12.? + 8 = 19
  13. 13.5 + 3 + 8 =
  14. 14.3 + 15 =
  15. 15.There are 6 red crayons and 7 blue crayons. How many crayons are there in all?
  16. 16.? + 6 = 16
  17. 17.1 + 4 + 1 =
  18. 18.7 + 7 + 2 =
  19. 19.5 + 13 =
  20. 20.15 + 3 =
  21. 21.1 + 3 + 1 =
  22. 22.1 + ? = 10
  23. 23.8 + 4 + 3 =
  24. 24.9 + 10 =
  25. 25.6 + ? = 7
  26. 26.Farhan has 4 balloons and gets 13 balloons more. How many balloons does Farhan have now?
  27. 27.6 + 4 + 9 =
  28. 28.There are 11 red beads and 5 white beads. How many beads are there in all?
  29. 29.Sneha has 5 flowers and gets 2 flowers more. How many flowers does Sneha have now?
  30. 30.5 + 4 + 11 =
  31. 31.7 + 3 + 6 =
  32. 32.? + 2 = 3
  33. 33.18 + 2 =
  34. 34.19 + 1 =
  35. 35.2 + 3 + 9 =
  36. 36.5 + ? = 19
  37. 37.6 + 2 + 12 =
  38. 38.1 + 13 =
  39. 39.5 + 7 =
  40. 40.6 + 6 =

Answer key

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

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