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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 744 · 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 6 books and gets 7 books more. How many books does Joseph have now?
  2. 2.1 + 12 =
  3. 3.There are 4 blue crayons and 5 green crayons. How many crayons are there in all?
  4. 4.7 + 3 + 6 =
  5. 5.11 + 4 =
  6. 6.8 + 6 =
  7. 7.Arjun has 12 balloons and gets 1 balloon more. How many balloons does Arjun have now?
  8. 8.? + 3 = 4
  9. 9.Diya has 6 kites and gets 11 kites more. How many kites does Diya have now?
  10. 10.Aarav has 7 laddoos and gets 9 laddoos more. How many laddoos does Aarav have now?
  11. 11.There are 2 green kites and 5 white kites. How many kites are there in all?
  12. 12.2 + 4 + 3 =
  13. 13.There are 8 blue crayons and 5 white crayons. How many crayons are there in all?
  14. 14.Karan has 5 balls and gets 11 balls more. How many balls does Karan have now?
  15. 15.7 + ? = 16
  16. 16.8 + 8 + 3 =
  17. 17.Dev has 3 balls and gets 10 balls more. How many balls does Dev have now?
  18. 18.19 + 1 =
  19. 19.4 + 3 + 12 =
  20. 20.Kavya has 4 mangoes and gets 4 mangoes more. How many mangoes does Kavya have now?
  21. 21.There are 4 white kites and 11 red kites. How many kites are there in all?
  22. 22.There are 11 pink crayons and 8 red crayons. How many crayons are there in all?
  23. 23.3 + 2 + 13 =
  24. 24.1 + ? = 4
  25. 25.There are 7 yellow beads and 10 pink beads. How many beads are there in all?
  26. 26.There are 2 blue flowers and 6 pink flowers. How many flowers are there in all?
  27. 27.? + 15 = 17
  28. 28.5 + 4 + 7 =
  29. 29.15 + 5 =
  30. 30.Manav has 15 pencils and gets 2 pencils more. How many pencils does Manav have now?
  31. 31.There are 3 blue crayons and 6 yellow crayons. How many crayons are there in all?
  32. 32.Ananya has 7 balloons and gets 9 balloons more. How many balloons does Ananya have now?
  33. 33.18 + 1 =
  34. 34.There are 2 blue crayons and 10 green crayons. How many crayons are there in all?
  35. 35.Aarav has 3 kites and gets 9 kites more. How many kites does Aarav have now?
  36. 36.14 + 2 =
  37. 37.Nisha has 8 books and gets 8 books more. How many books does Nisha have now?
  38. 38.There are 7 yellow balls and 5 pink balls. How many balls are there in all?
  39. 39.6 + 8 + 4 =
  40. 40.8 + 7 + 1 =

Answer key

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

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