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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 573 · 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.Joseph has 8 flowers and gets 6 flowers more. How many flowers does Joseph have now?
  2. 2.There are 6 yellow beads and 10 blue beads. How many beads are there in all?
  3. 3.13 + ? = 19
  4. 4.1 + 1 + 18 =
  5. 5.9 + 4 =
  6. 6.Vivaan has 6 balls and gets 9 balls more. How many balls does Vivaan have now?
  7. 7.There are 5 pink balloons and 10 blue balloons. How many balloons are there in all?
  8. 8.There are 2 red kites and 15 white kites. How many kites are there in all?
  9. 9.14 + 6 =
  10. 10.8 + 8 =
  11. 11.4 + 15 =
  12. 12.? + 5 = 7
  13. 13.1 + ? = 18
  14. 14.There are 8 green balls and 2 blue balls. How many balls are there in all?
  15. 15.There are 2 yellow flowers and 13 red flowers. How many flowers are there in all?
  16. 16.There are 12 blue balls and 4 green balls. How many balls are there in all?
  17. 17.Aarav has 5 crayons and gets 13 crayons more. How many crayons does Aarav have now?
  18. 18.1 + 4 =
  19. 19.Vivaan has 14 shells and gets 6 shells more. How many shells does Vivaan have now?
  20. 20.5 + 3 =
  21. 21.13 + 5 =
  22. 22.? + 16 = 19
  23. 23.There are 4 blue crayons and 11 white crayons. How many crayons are there in all?
  24. 24.14 + 5 =
  25. 25.7 + 4 + 1 =
  26. 26.7 + 8 + 4 =
  27. 27.There are 4 pink flowers and 13 blue flowers. How many flowers are there in all?
  28. 28.? + 1 = 5
  29. 29.? + 3 = 5
  30. 30.5 + ? = 7
  31. 31.2 + ? = 3
  32. 32.Pooja has 12 balls and gets 5 balls more. How many balls does Pooja have now?
  33. 33.There are 11 pink beads and 8 red beads. How many beads are there in all?
  34. 34.2 + 5 + 6 =
  35. 35.16 + 4 =
  36. 36.Nisha has 10 flowers and gets 1 flower more. How many flowers does Nisha have now?
  37. 37.There are 6 red beads and 9 yellow beads. How many beads are there in all?
  38. 38.6 + 4 + 2 =
  39. 39.There are 6 pink beads and 12 yellow beads. How many beads are there in all?
  40. 40.There are 6 red crayons and 4 yellow crayons. How many crayons are there in all?

Answer key

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

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