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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 951 · 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. 1.11 + 5 =
  2. 2.Vivaan has 6 balls and gets 1 ball more. How many balls does Vivaan have now?
  3. 3.Priya has 8 pencils and gets 12 pencils more. How many pencils does Priya have now?
  4. 4.There are 8 red crayons and 6 green crayons. How many crayons are there in all?
  5. 5.Rahul has 5 bananas and gets 13 bananas more. How many bananas does Rahul have now?
  6. 6.3 + ? = 10
  7. 7.There are 7 white flowers and 7 blue flowers. How many flowers are there in all?
  8. 8.There are 11 white flowers and 4 red flowers. How many flowers are there in all?
  9. 9.8 + ? = 9
  10. 10.? + 1 = 10
  11. 11.Diya has 6 balls and gets 3 balls more. How many balls does Diya have now?
  12. 12.Lakshmi has 8 kites and gets 11 kites more. How many kites does Lakshmi have now?
  13. 13.6 + 1 + 7 =
  14. 14.Vivaan has 6 pencils and gets 7 pencils more. How many pencils does Vivaan have now?
  15. 15.Gurpreet has 11 balloons and gets 9 balloons more. How many balloons does Gurpreet have now?
  16. 16.There are 8 blue crayons and 5 yellow crayons. How many crayons are there in all?
  17. 17.Aditya has 10 laddoos and gets 9 laddoos more. How many laddoos does Aditya have now?
  18. 18.Nisha has 2 balls and gets 6 balls more. How many balls does Nisha have now?
  19. 19.1 + 5 + 1 =
  20. 20.2 + ? = 15
  21. 21.1 + 8 =
  22. 22.There are 8 yellow crayons and 10 white crayons. How many crayons are there in all?
  23. 23.2 + 10 =
  24. 24.There are 8 white balloons and 10 yellow balloons. How many balloons are there in all?
  25. 25.There are 3 blue kites and 17 white kites. How many kites are there in all?
  26. 26.There are 4 red balls and 7 pink balls. How many balls are there in all?
  27. 27.Joseph has 5 kites and gets 3 kites more. How many kites does Joseph have now?
  28. 28.Kavya has 8 flowers and gets 7 flowers more. How many flowers does Kavya have now?
  29. 29.There are 12 white balls and 7 blue balls. How many balls are there in all?
  30. 30.8 + 1 + 6 =
  31. 31.4 + 2 =
  32. 32.4 + 7 + 7 =
  33. 33.11 + 9 =
  34. 34.17 + ? = 19
  35. 35.There are 8 pink balls and 2 blue balls. How many balls are there in all?
  36. 36.Riya has 6 bananas and gets 14 bananas more. How many bananas does Riya have now?
  37. 37.Sneha has 3 marbles and gets 8 marbles more. How many marbles does Sneha have now?
  38. 38.4 + 16 =
  39. 39.2 + 2 + 6 =
  40. 40.? + 5 = 13

Answer key

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

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