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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 46 · 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.Sneha has 10 laddoos and gets 9 laddoos more. How many laddoos does Sneha have now?
  2. 2.? + 6 = 14
  3. 3.Sneha has 7 pencils and gets 7 pencils more. How many pencils does Sneha have now?
  4. 4.? + 9 = 20
  5. 5.12 + 1 =
  6. 6.13 + 3 =
  7. 7.12 + 3 =
  8. 8.There are 7 pink beads and 12 blue beads. How many beads are there in all?
  9. 9.6 + 4 + 8 =
  10. 10.There are 5 green beads and 7 blue beads. How many beads are there in all?
  11. 11.5 + ? = 8
  12. 12.There are 3 red balls and 13 yellow balls. How many balls are there in all?
  13. 13.4 + ? = 16
  14. 14.There are 7 red flowers and 2 blue flowers. How many flowers are there in all?
  15. 15.3 + 7 + 1 =
  16. 16.1 + 2 + 10 =
  17. 17.? + 2 = 8
  18. 18.There are 8 blue beads and 2 green beads. How many beads are there in all?
  19. 19.Gurpreet has 5 balls and gets 10 balls more. How many balls does Gurpreet have now?
  20. 20.6 + 7 =
  21. 21.5 + ? = 13
  22. 22.1 + 4 + 5 =
  23. 23.7 + 3 =
  24. 24.? + 9 = 14
  25. 25.There are 7 pink beads and 11 green beads. How many beads are there in all?
  26. 26.4 + 8 + 5 =
  27. 27.There are 4 white crayons and 2 blue crayons. How many crayons are there in all?
  28. 28.5 + 1 + 11 =
  29. 29.1 + ? = 8
  30. 30.? + 8 = 12
  31. 31.6 + 8 + 1 =
  32. 32.2 + 6 + 11 =
  33. 33.There are 5 white kites and 5 blue kites. How many kites are there in all?
  34. 34.12 + ? = 20
  35. 35.There are 2 pink beads and 4 yellow beads. How many beads are there in all?
  36. 36.5 + 8 =
  37. 37.Lakshmi has 10 marbles and gets 5 marbles more. How many marbles does Lakshmi have now?
  38. 38.? + 8 = 14
  39. 39.18 + 2 =
  40. 40.19 + 1 =

Answer key

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

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