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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 6 · 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. 1.13 + 7 =
  2. 2.Zoya has 8 crayons and gets 3 crayons more. How many crayons does Zoya have now?
  3. 3.Isha has 14 kites and gets 2 kites more. How many kites does Isha have now?
  4. 4.2 + 13 =
  5. 5.There are 3 pink balloons and 6 green balloons. How many balloons are there in all?
  6. 6.14 + 2 =
  7. 7.There are 5 red flowers and 6 green flowers. How many flowers are there in all?
  8. 8.14 + 1 =
  9. 9.Gurpreet has 5 kites and gets 13 kites more. How many kites does Gurpreet have now?
  10. 10.There are 11 white balls and 7 green balls. How many balls are there in all?
  11. 11.1 + ? = 3
  12. 12.10 + 10 =
  13. 13.17 + ? = 19
  14. 14.There are 4 red flowers and 13 green flowers. How many flowers are there in all?
  15. 15.Gurpreet has 10 crayons and gets 2 crayons more. How many crayons does Gurpreet have now?
  16. 16.There are 9 yellow balls and 5 white balls. How many balls are there in all?
  17. 17.2 + 3 + 5 =
  18. 18.? + 6 = 16
  19. 19.Arjun has 2 kites and gets 14 kites more. How many kites does Arjun have now?
  20. 20.There are 6 pink balls and 2 blue balls. How many balls are there in all?
  21. 21.Meera has 9 crayons and gets 7 crayons more. How many crayons does Meera have now?
  22. 22.6 + 3 + 1 =
  23. 23.1 + ? = 7
  24. 24.6 + ? = 12
  25. 25.12 + ? = 16
  26. 26.1 + ? = 4
  27. 27.10 + 8 =
  28. 28.Kavya has 14 bananas and gets 4 bananas more. How many bananas does Kavya have now?
  29. 29.16 + 3 =
  30. 30.Priya has 13 kites and gets 6 kites more. How many kites does Priya have now?
  31. 31.2 + 2 =
  32. 32.? + 5 = 20
  33. 33.Sneha has 7 mangoes and gets 7 mangoes more. How many mangoes does Sneha have now?
  34. 34.There are 3 blue beads and 7 white beads. How many beads are there in all?
  35. 35.Manav has 3 pencils and gets 12 pencils more. How many pencils does Manav have now?
  36. 36.There are 3 green balls and 5 pink balls. How many balls are there in all?
  37. 37.Manav has 6 mangoes and gets 1 mango more. How many mangoes does Manav have now?
  38. 38.6 + 2 + 4 =
  39. 39.Priya has 6 crayons and gets 9 crayons more. How many crayons does Priya have now?
  40. 40.? + 4 = 14

Answer key

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

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