← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 798 · 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 + 6 + 12 =
  2. 2.Tara has 13 mangoes and gets 1 mango more. How many mangoes does Tara have now?
  3. 3.Lakshmi has 12 balls and gets 1 ball more. How many balls does Lakshmi have now?
  4. 4.There are 10 red balls and 4 green balls. How many balls are there in all?
  5. 5.2 + 2 =
  6. 6.4 + 2 =
  7. 7.8 + 2 + 5 =
  8. 8.There are 2 red beads and 14 yellow beads. How many beads are there in all?
  9. 9.7 + 4 + 3 =
  10. 10.Ananya has 11 balls and gets 1 ball more. How many balls does Ananya have now?
  11. 11.6 + 11 =
  12. 12.? + 4 = 17
  13. 13.1 + 3 + 10 =
  14. 14.10 + ? = 19
  15. 15.Rohan has 3 bananas and gets 15 bananas more. How many bananas does Rohan have now?
  16. 16.Kabir has 3 pencils and gets 15 pencils more. How many pencils does Kabir have now?
  17. 17.There are 3 white crayons and 4 pink crayons. How many crayons are there in all?
  18. 18.There are 4 green kites and 9 white kites. How many kites are there in all?
  19. 19.There are 2 pink balloons and 7 red balloons. How many balloons are there in all?
  20. 20.6 + 7 + 5 =
  21. 21.Rohan has 7 crayons and gets 1 crayon more. How many crayons does Rohan have now?
  22. 22.3 + 5 + 1 =
  23. 23.11 + 5 =
  24. 24.Priya has 9 books and gets 3 books more. How many books does Priya have now?
  25. 25.There are 12 pink balls and 7 red balls. How many balls are there in all?
  26. 26.? + 5 = 10
  27. 27.? + 2 = 10
  28. 28.? + 5 = 7
  29. 29.17 + 3 =
  30. 30.4 + 3 + 13 =
  31. 31.2 + ? = 9
  32. 32.Kavya has 8 balloons and gets 5 balloons more. How many balloons does Kavya have now?
  33. 33.7 + 7 + 2 =
  34. 34.2 + ? = 20
  35. 35.2 + 1 + 7 =
  36. 36.Aarav has 7 shells and gets 7 shells more. How many shells does Aarav have now?
  37. 37.1 + 6 + 12 =
  38. 38.1 + 7 =
  39. 39.3 + 13 =
  40. 40.Rohan has 14 pencils and gets 1 pencil more. How many pencils does Rohan have now?

Answer key

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

Free maths worksheets lessons, practice and worksheets at talentjr.in/maths-worksheets