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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 97 · 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. 1.4 + 6 + 2 =
  2. 2.4 + 8 =
  3. 3.Farhan has 4 pencils and gets 4 pencils more. How many pencils does Farhan have now?
  4. 4.4 + ? = 10
  5. 5.There are 12 blue beads and 8 white beads. How many beads are there in all?
  6. 6.1 + 7 =
  7. 7.Ishaan has 7 balloons and gets 4 balloons more. How many balloons does Ishaan have now?
  8. 8.11 + 3 =
  9. 9.Rahul has 3 flowers and gets 17 flowers more. How many flowers does Rahul have now?
  10. 10.There are 9 white flowers and 9 yellow flowers. How many flowers are there in all?
  11. 11.Zoya has 8 mangoes and gets 4 mangoes more. How many mangoes does Zoya have now?
  12. 12.Vivaan has 3 laddoos and gets 13 laddoos more. How many laddoos does Vivaan have now?
  13. 13.There are 8 pink balls and 7 blue balls. How many balls are there in all?
  14. 14.7 + 4 + 4 =
  15. 15.Isha has 8 books and gets 12 books more. How many books does Isha have now?
  16. 16.6 + 9 =
  17. 17.Farhan has 13 balloons and gets 5 balloons more. How many balloons does Farhan have now?
  18. 18.2 + ? = 6
  19. 19.1 + ? = 3
  20. 20.4 + 5 + 11 =
  21. 21.Aarav has 7 balls and gets 10 balls more. How many balls does Aarav have now?
  22. 22.There are 4 yellow beads and 16 pink beads. How many beads are there in all?
  23. 23.Kabir has 10 balls and gets 6 balls more. How many balls does Kabir have now?
  24. 24.3 + 7 + 10 =
  25. 25.12 + ? = 13
  26. 26.There are 6 yellow beads and 3 red beads. How many beads are there in all?
  27. 27.2 + 4 + 11 =
  28. 28.Pooja has 12 pencils and gets 2 pencils more. How many pencils does Pooja have now?
  29. 29.Priya has 6 balloons and gets 13 balloons more. How many balloons does Priya have now?
  30. 30.There are 5 red balls and 2 green balls. How many balls are there in all?
  31. 31.? + 15 = 16
  32. 32.1 + ? = 4
  33. 33.2 + 4 + 6 =
  34. 34.Aarav has 2 balls and gets 2 balls more. How many balls does Aarav have now?
  35. 35.11 + 2 =
  36. 36.? + 12 = 15
  37. 37.There are 8 green balloons and 6 pink balloons. How many balloons are there in all?
  38. 38.There are 3 pink kites and 14 yellow kites. How many kites are there in all?
  39. 39.1 + 1 + 4 =
  40. 40.Kabir has 9 books and gets 8 books more. How many books does Kabir have now?

Answer key

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

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