← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 653 · 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. 1.11 + 3 =
  2. 2.3 + 2 + 12 =
  3. 3.7 + 5 =
  4. 4.4 + 6 =
  5. 5.Riya has 6 balloons and gets 10 balloons more. How many balloons does Riya have now?
  6. 6.? + 7 = 8
  7. 7.There are 5 red flowers and 7 green flowers. How many flowers are there in all?
  8. 8.6 + 3 + 5 =
  9. 9.16 + 1 =
  10. 10.3 + 15 =
  11. 11.17 + 3 =
  12. 12.6 + 3 =
  13. 13.Aditya has 4 balloons and gets 1 balloon more. How many balloons does Aditya have now?
  14. 14.? + 4 = 8
  15. 15.? + 1 = 8
  16. 16.There are 9 blue balloons and 9 yellow balloons. How many balloons are there in all?
  17. 17.There are 12 blue crayons and 7 red crayons. How many crayons are there in all?
  18. 18.6 + 10 =
  19. 19.There are 11 pink flowers and 5 yellow flowers. How many flowers are there in all?
  20. 20.Nisha has 4 balls and gets 2 balls more. How many balls does Nisha have now?
  21. 21.4 + 5 =
  22. 22.7 + 7 =
  23. 23.Dev has 5 laddoos and gets 6 laddoos more. How many laddoos does Dev have now?
  24. 24.Kavya has 10 balls and gets 10 balls more. How many balls does Kavya have now?
  25. 25.Aarav has 3 shells and gets 1 shell more. How many shells does Aarav have now?
  26. 26.? + 6 = 12
  27. 27.? + 10 = 15
  28. 28.15 + 3 =
  29. 29.Zoya has 11 marbles and gets 3 marbles more. How many marbles does Zoya have now?
  30. 30.7 + 8 + 2 =
  31. 31.2 + 6 =
  32. 32.There are 6 green kites and 2 pink kites. How many kites are there in all?
  33. 33.? + 2 = 11
  34. 34.1 + 5 + 1 =
  35. 35.There are 10 green beads and 7 red beads. How many beads are there in all?
  36. 36.15 + ? = 17
  37. 37.4 + 4 + 4 =
  38. 38.3 + 2 + 7 =
  39. 39.There are 12 red crayons and 4 pink crayons. How many crayons are there in all?
  40. 40.5 + 5 + 10 =

Answer key

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

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