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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 851 · 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.Aditya has 6 bananas and gets 13 bananas more. How many bananas does Aditya have now?
  2. 2.There are 6 green kites and 10 blue kites. How many kites are there in all?
  3. 3.7 + 1 + 2 =
  4. 4.Arjun has 15 crayons and gets 4 crayons more. How many crayons does Arjun have now?
  5. 5.Manav has 15 marbles and gets 1 marble more. How many marbles does Manav have now?
  6. 6.18 + 2 =
  7. 7.Aarav has 4 pencils and gets 9 pencils more. How many pencils does Aarav have now?
  8. 8.Manav has 11 pencils and gets 4 pencils more. How many pencils does Manav have now?
  9. 9.3 + 12 =
  10. 10.8 + 5 + 2 =
  11. 11.14 + 3 =
  12. 12.There are 7 blue crayons and 7 green crayons. How many crayons are there in all?
  13. 13.17 + ? = 19
  14. 14.Gurpreet has 13 crayons and gets 1 crayon more. How many crayons does Gurpreet have now?
  15. 15.There are 8 pink kites and 8 yellow kites. How many kites are there in all?
  16. 16.Nisha has 13 books and gets 1 book more. How many books does Nisha have now?
  17. 17.3 + 6 + 2 =
  18. 18.Zoya has 10 kites and gets 2 kites more. How many kites does Zoya have now?
  19. 19.? + 3 = 5
  20. 20.2 + 5 + 13 =
  21. 21.Aarav has 8 kites and gets 1 kite more. How many kites does Aarav have now?
  22. 22.7 + 1 =
  23. 23.15 + 5 =
  24. 24.There are 2 blue crayons and 18 white crayons. How many crayons are there in all?
  25. 25.7 + 4 + 7 =
  26. 26.Gurpreet has 11 flowers and gets 7 flowers more. How many flowers does Gurpreet have now?
  27. 27.Lakshmi has 15 bananas and gets 4 bananas more. How many bananas does Lakshmi have now?
  28. 28.There are 6 white kites and 3 pink kites. How many kites are there in all?
  29. 29.10 + 2 =
  30. 30.16 + 3 =
  31. 31.1 + 8 + 4 =
  32. 32.? + 3 = 14
  33. 33.7 + 7 + 5 =
  34. 34.1 + 5 + 5 =
  35. 35.? + 5 = 7
  36. 36.3 + ? = 5
  37. 37.There are 9 yellow beads and 8 red beads. How many beads are there in all?
  38. 38.? + 8 = 17
  39. 39.Ananya has 4 laddoos and gets 14 laddoos more. How many laddoos does Ananya have now?
  40. 40.11 + ? = 12

Answer key

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

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