← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 258 · 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. 1.7 + 4 + 6 =
  2. 2.3 + ? = 16
  3. 3.8 + 12 =
  4. 4.5 + ? = 13
  5. 5.There are 10 yellow beads and 9 red beads. How many beads are there in all?
  6. 6.There are 2 red kites and 10 blue kites. How many kites are there in all?
  7. 7.Karan has 9 flowers and gets 5 flowers more. How many flowers does Karan have now?
  8. 8.2 + 7 + 10 =
  9. 9.7 + 3 =
  10. 10.There are 11 blue crayons and 4 red crayons. How many crayons are there in all?
  11. 11.? + 1 = 11
  12. 12.8 + 4 =
  13. 13.? + 10 = 11
  14. 14.There are 4 white flowers and 16 yellow flowers. How many flowers are there in all?
  15. 15.There are 2 blue balls and 15 white balls. How many balls are there in all?
  16. 16.Aarav has 5 balls and gets 4 balls more. How many balls does Aarav have now?
  17. 17.? + 2 = 4
  18. 18.9 + 8 =
  19. 19.Farhan has 12 pencils and gets 3 pencils more. How many pencils does Farhan have now?
  20. 20.There are 7 yellow balls and 2 red balls. How many balls are there in all?
  21. 21.6 + 2 + 9 =
  22. 22.There are 8 red flowers and 3 yellow flowers. How many flowers are there in all?
  23. 23.3 + 8 + 3 =
  24. 24.1 + 7 + 3 =
  25. 25.? + 4 = 6
  26. 26.There are 4 yellow kites and 7 red kites. How many kites are there in all?
  27. 27.There are 3 green balls and 7 pink balls. How many balls are there in all?
  28. 28.2 + 8 + 2 =
  29. 29.7 + ? = 17
  30. 30.Dev has 9 mangoes and gets 3 mangoes more. How many mangoes does Dev have now?
  31. 31.6 + 2 + 4 =
  32. 32.There are 6 green balls and 12 pink balls. How many balls are there in all?
  33. 33.1 + 8 + 7 =
  34. 34.2 + 15 =
  35. 35.? + 6 = 10
  36. 36.There are 11 red flowers and 7 white flowers. How many flowers are there in all?
  37. 37.5 + 4 + 3 =
  38. 38.10 + ? = 14
  39. 39.14 + 1 =
  40. 40.5 + 14 =

Answer key

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

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