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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 754 · 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.Zoya has 14 kites and gets 1 kite more. How many kites does Zoya have now?
  2. 2.Priya has 5 pencils and gets 6 pencils more. How many pencils does Priya have now?
  3. 3.18 + 2 =
  4. 4.1 + 4 =
  5. 5.Saanvi has 15 books and gets 5 books more. How many books does Saanvi have now?
  6. 6.Pooja has 11 books and gets 6 books more. How many books does Pooja have now?
  7. 7.There are 3 white balloons and 14 pink balloons. How many balloons are there in all?
  8. 8.There are 6 pink balloons and 8 yellow balloons. How many balloons are there in all?
  9. 9.7 + 5 + 2 =
  10. 10.Pooja has 2 balloons and gets 2 balloons more. How many balloons does Pooja have now?
  11. 11.Aarav has 15 marbles and gets 3 marbles more. How many marbles does Aarav have now?
  12. 12.There are 5 red balloons and 14 blue balloons. How many balloons are there in all?
  13. 13.? + 8 = 20
  14. 14.? + 14 = 18
  15. 15.Zoya has 7 pencils and gets 8 pencils more. How many pencils does Zoya have now?
  16. 16.There are 9 green balloons and 6 yellow balloons. How many balloons are there in all?
  17. 17.12 + 2 =
  18. 18.6 + 12 =
  19. 19.4 + ? = 6
  20. 20.6 + 11 =
  21. 21.? + 1 = 5
  22. 22.There are 6 red crayons and 14 pink crayons. How many crayons are there in all?
  23. 23.Farhan has 4 kites and gets 5 kites more. How many kites does Farhan have now?
  24. 24.There are 10 blue flowers and 5 white flowers. How many flowers are there in all?
  25. 25.8 + 3 + 3 =
  26. 26.Zoya has 4 crayons and gets 14 crayons more. How many crayons does Zoya have now?
  27. 27.4 + ? = 19
  28. 28.3 + 16 =
  29. 29.2 + 1 + 6 =
  30. 30.Aditya has 13 bananas and gets 7 bananas more. How many bananas does Aditya have now?
  31. 31.Dev has 2 flowers and gets 14 flowers more. How many flowers does Dev have now?
  32. 32.8 + 7 + 5 =
  33. 33.There are 5 red flowers and 14 blue flowers. How many flowers are there in all?
  34. 34.2 + 4 + 12 =
  35. 35.4 + 1 + 12 =
  36. 36.1 + 12 =
  37. 37.10 + 6 =
  38. 38.2 + ? = 3
  39. 39.10 + 10 =
  40. 40.4 + 15 =

Answer key

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

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