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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 295 · 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. 1.2 + 2 + 7 =
  2. 2.There are 2 yellow kites and 5 blue kites. How many kites are there in all?
  3. 3.7 + ? = 12
  4. 4.There are 4 blue crayons and 2 pink crayons. How many crayons are there in all?
  5. 5.Sneha has 10 mangoes and gets 8 mangoes more. How many mangoes does Sneha have now?
  6. 6.11 + ? = 20
  7. 7.There are 3 yellow beads and 3 pink beads. How many beads are there in all?
  8. 8.There are 5 blue crayons and 10 yellow crayons. How many crayons are there in all?
  9. 9.Manav has 13 kites and gets 6 kites more. How many kites does Manav have now?
  10. 10.5 + 4 =
  11. 11.There are 3 pink beads and 6 yellow beads. How many beads are there in all?
  12. 12.? + 9 = 19
  13. 13.There are 5 green crayons and 14 yellow crayons. How many crayons are there in all?
  14. 14.Joseph has 9 mangoes and gets 6 mangoes more. How many mangoes does Joseph have now?
  15. 15.There are 3 yellow balloons and 5 white balloons. How many balloons are there in all?
  16. 16.There are 4 blue balloons and 10 green balloons. How many balloons are there in all?
  17. 17.Rohan has 9 kites and gets 11 kites more. How many kites does Rohan have now?
  18. 18.There are 5 blue beads and 8 white beads. How many beads are there in all?
  19. 19.5 + 8 + 4 =
  20. 20.Manav has 7 balls and gets 9 balls more. How many balls does Manav have now?
  21. 21.8 + 6 + 5 =
  22. 22.6 + 3 + 7 =
  23. 23.1 + 5 + 8 =
  24. 24.Kabir has 13 balls and gets 7 balls more. How many balls does Kabir have now?
  25. 25.Gurpreet has 14 bananas and gets 6 bananas more. How many bananas does Gurpreet have now?
  26. 26.6 + 11 =
  27. 27.3 + 8 =
  28. 28.Kavya has 15 books and gets 2 books more. How many books does Kavya have now?
  29. 29.6 + 7 + 2 =
  30. 30.? + 1 = 3
  31. 31.? + 8 = 13
  32. 32.2 + 7 =
  33. 33.Saanvi has 15 pencils and gets 3 pencils more. How many pencils does Saanvi have now?
  34. 34.5 + 5 + 2 =
  35. 35.? + 2 = 3
  36. 36.There are 2 red crayons and 2 pink crayons. How many crayons are there in all?
  37. 37.There are 8 pink crayons and 5 green crayons. How many crayons are there in all?
  38. 38.? + 11 = 18
  39. 39.15 + 1 =
  40. 40.3 + 3 + 6 =

Answer key

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

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