← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 615 · 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. 1.8 + ? = 12
  2. 2.There are 9 red crayons and 11 yellow crayons. How many crayons are there in all?
  3. 3.4 + 7 =
  4. 4.? + 2 = 4
  5. 5.4 + 12 =
  6. 6.1 + 2 + 3 =
  7. 7.2 + 14 =
  8. 8.8 + 7 + 4 =
  9. 9.? + 2 = 14
  10. 10.There are 9 blue balloons and 2 pink balloons. How many balloons are there in all?
  11. 11.1 + ? = 20
  12. 12.3 + ? = 19
  13. 13.Pooja has 5 balloons and gets 13 balloons more. How many balloons does Pooja have now?
  14. 14.There are 4 pink beads and 7 white beads. How many beads are there in all?
  15. 15.There are 4 blue flowers and 9 pink flowers. How many flowers are there in all?
  16. 16.16 + ? = 18
  17. 17.4 + 4 + 4 =
  18. 18.There are 6 white balls and 2 yellow balls. How many balls are there in all?
  19. 19.4 + ? = 5
  20. 20.8 + ? = 11
  21. 21.? + 1 = 11
  22. 22.9 + 7 =
  23. 23.? + 5 = 6
  24. 24.4 + 1 + 13 =
  25. 25.There are 2 blue kites and 18 white kites. How many kites are there in all?
  26. 26.There are 10 red flowers and 9 pink flowers. How many flowers are there in all?
  27. 27.? + 12 = 19
  28. 28.2 + 3 + 1 =
  29. 29.There are 11 white kites and 6 yellow kites. How many kites are there in all?
  30. 30.There are 2 yellow balls and 16 red balls. How many balls are there in all?
  31. 31.Vivaan has 7 balloons and gets 12 balloons more. How many balloons does Vivaan have now?
  32. 32.There are 3 white flowers and 3 yellow flowers. How many flowers are there in all?
  33. 33.13 + 2 =
  34. 34.? + 2 = 18
  35. 35.? + 10 = 17
  36. 36.2 + ? = 11
  37. 37.There are 9 green balls and 5 white balls. How many balls are there in all?
  38. 38.There are 8 yellow crayons and 5 white crayons. How many crayons are there in all?
  39. 39.5 + ? = 7
  40. 40.6 + 2 =

Answer key

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

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