← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 174 · 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. 1.15 + 1 =
  2. 2.14 + 3 =
  3. 3.19 + 1 =
  4. 4.There are 11 blue balls and 6 pink balls. How many balls are there in all?
  5. 5.3 + 7 + 10 =
  6. 6.Dev has 13 balls and gets 4 balls more. How many balls does Dev have now?
  7. 7.17 + 2 =
  8. 8.5 + 6 + 6 =
  9. 9.11 + 5 =
  10. 10.5 + 2 + 10 =
  11. 11.4 + 6 + 5 =
  12. 12.1 + 8 =
  13. 13.There are 9 pink crayons and 4 blue crayons. How many crayons are there in all?
  14. 14.Kavya has 4 balls and gets 15 balls more. How many balls does Kavya have now?
  15. 15.1 + 7 =
  16. 16.? + 11 = 18
  17. 17.There are 10 white crayons and 7 red crayons. How many crayons are there in all?
  18. 18.11 + 9 =
  19. 19.13 + 7 =
  20. 20.Ishaan has 8 crayons and gets 8 crayons more. How many crayons does Ishaan have now?
  21. 21.There are 5 white beads and 4 blue beads. How many beads are there in all?
  22. 22.There are 7 pink crayons and 6 green crayons. How many crayons are there in all?
  23. 23.15 + 5 =
  24. 24.18 + 2 =
  25. 25.1 + 19 =
  26. 26.Rohan has 9 crayons and gets 6 crayons more. How many crayons does Rohan have now?
  27. 27.6 + 2 + 9 =
  28. 28.Kavya has 15 marbles and gets 1 marble more. How many marbles does Kavya have now?
  29. 29.Arjun has 9 pencils and gets 2 pencils more. How many pencils does Arjun have now?
  30. 30.4 + ? = 6
  31. 31.14 + 1 =
  32. 32.15 + 2 =
  33. 33.4 + 5 + 5 =
  34. 34.? + 1 = 5
  35. 35.Joseph has 9 mangoes and gets 1 mango more. How many mangoes does Joseph have now?
  36. 36.17 + 1 =
  37. 37.Ananya has 13 flowers and gets 5 flowers more. How many flowers does Ananya have now?
  38. 38.1 + 13 =
  39. 39.16 + 2 =
  40. 40.There are 9 blue beads and 10 yellow beads. How many beads are there in all?

Answer key

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

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