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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 395 · 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.Riya has 10 balloons and gets 6 balloons more. How many balloons does Riya have now?
  2. 2.1 + ? = 13
  3. 3.5 + 5 =
  4. 4.7 + 7 =
  5. 5.19 + 1 =
  6. 6.Rahul has 14 bananas and gets 2 bananas more. How many bananas does Rahul have now?
  7. 7.There are 4 green kites and 6 blue kites. How many kites are there in all?
  8. 8.Kavya has 2 crayons and gets 6 crayons more. How many crayons does Kavya have now?
  9. 9.There are 8 pink kites and 6 yellow kites. How many kites are there in all?
  10. 10.There are 11 green flowers and 4 yellow flowers. How many flowers are there in all?
  11. 11.There are 12 pink balloons and 4 red balloons. How many balloons are there in all?
  12. 12.Rahul has 14 crayons and gets 5 crayons more. How many crayons does Rahul have now?
  13. 13.2 + ? = 6
  14. 14.Karan has 6 pencils and gets 2 pencils more. How many pencils does Karan have now?
  15. 15.There are 2 blue balloons and 2 yellow balloons. How many balloons are there in all?
  16. 16.There are 4 blue balloons and 15 green balloons. How many balloons are there in all?
  17. 17.6 + 1 =
  18. 18.11 + 8 =
  19. 19.There are 10 pink flowers and 4 yellow flowers. How many flowers are there in all?
  20. 20.There are 12 yellow balloons and 6 pink balloons. How many balloons are there in all?
  21. 21.? + 2 = 3
  22. 22.4 + 2 + 12 =
  23. 23.6 + 4 =
  24. 24.3 + ? = 12
  25. 25.14 + 3 =
  26. 26.4 + ? = 6
  27. 27.There are 12 pink balloons and 3 green balloons. How many balloons are there in all?
  28. 28.Isha has 6 kites and gets 6 kites more. How many kites does Isha have now?
  29. 29.Pooja has 15 books and gets 5 books more. How many books does Pooja have now?
  30. 30.3 + ? = 4
  31. 31.5 + 7 =
  32. 32.3 + 1 + 8 =
  33. 33.1 + ? = 15
  34. 34.Meera has 2 crayons and gets 1 crayon more. How many crayons does Meera have now?
  35. 35.3 + 2 + 13 =
  36. 36.4 + 16 =
  37. 37.? + 14 = 16
  38. 38.2 + 3 + 5 =
  39. 39.5 + ? = 7
  40. 40.There are 3 pink flowers and 5 red flowers. How many flowers are there in all?

Answer key

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

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