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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 867 · 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. 1.3 + 1 + 9 =
  2. 2.Zoya has 11 flowers and gets 8 flowers more. How many flowers does Zoya have now?
  3. 3.12 + 2 =
  4. 4.2 + 6 + 4 =
  5. 5.? + 5 = 16
  6. 6.8 + 3 =
  7. 7.Karan has 2 bananas and gets 15 bananas more. How many bananas does Karan have now?
  8. 8.1 + ? = 10
  9. 9.6 + 14 =
  10. 10.3 + 2 + 2 =
  11. 11.Meera has 4 flowers and gets 4 flowers more. How many flowers does Meera have now?
  12. 12.Dev has 15 crayons and gets 3 crayons more. How many crayons does Dev have now?
  13. 13.? + 2 = 4
  14. 14.Saanvi has 15 mangoes and gets 1 mango more. How many mangoes does Saanvi have now?
  15. 15.3 + ? = 4
  16. 16.Gurpreet has 13 marbles and gets 4 marbles more. How many marbles does Gurpreet have now?
  17. 17.1 + 2 =
  18. 18.1 + 5 + 1 =
  19. 19.6 + 7 + 3 =
  20. 20.18 + 2 =
  21. 21.Meera has 2 laddoos and gets 14 laddoos more. How many laddoos does Meera have now?
  22. 22.There are 6 pink flowers and 2 blue flowers. How many flowers are there in all?
  23. 23.10 + ? = 13
  24. 24.Meera has 13 books and gets 2 books more. How many books does Meera have now?
  25. 25.11 + 4 =
  26. 26.2 + ? = 17
  27. 27.Ishaan has 9 pencils and gets 6 pencils more. How many pencils does Ishaan have now?
  28. 28.16 + 2 =
  29. 29.Tara has 15 shells and gets 3 shells more. How many shells does Tara have now?
  30. 30.8 + 4 + 7 =
  31. 31.Sneha has 3 books and gets 6 books more. How many books does Sneha have now?
  32. 32.Diya has 11 books and gets 8 books more. How many books does Diya have now?
  33. 33.2 + ? = 3
  34. 34.There are 12 green flowers and 6 pink flowers. How many flowers are there in all?
  35. 35.7 + 1 + 1 =
  36. 36.14 + 6 =
  37. 37.Kavya has 10 balls and gets 9 balls more. How many balls does Kavya have now?
  38. 38.There are 11 white crayons and 6 red crayons. How many crayons are there in all?
  39. 39.6 + 2 + 7 =
  40. 40.3 + ? = 19

Answer key

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

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