← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 242 · 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.Lakshmi has 5 books and gets 13 books more. How many books does Lakshmi have now?
  2. 2.1 + 5 + 3 =
  3. 3.Manav has 9 bananas and gets 1 banana more. How many bananas does Manav have now?
  4. 4.Dev has 5 crayons and gets 4 crayons more. How many crayons does Dev have now?
  5. 5.There are 4 pink balloons and 14 white balloons. How many balloons are there in all?
  6. 6.Vivaan has 14 marbles and gets 2 marbles more. How many marbles does Vivaan have now?
  7. 7.Saanvi has 4 pencils and gets 12 pencils more. How many pencils does Saanvi have now?
  8. 8.11 + 9 =
  9. 9.5 + 3 =
  10. 10.1 + 2 + 11 =
  11. 11.Karan has 8 bananas and gets 1 banana more. How many bananas does Karan have now?
  12. 12.There are 5 yellow beads and 5 green beads. How many beads are there in all?
  13. 13.6 + 14 =
  14. 14.2 + ? = 3
  15. 15.8 + 3 + 4 =
  16. 16.Kavya has 8 balls and gets 12 balls more. How many balls does Kavya have now?
  17. 17.8 + ? = 14
  18. 18.? + 1 = 10
  19. 19.1 + 7 =
  20. 20.4 + ? = 13
  21. 21.There are 8 yellow flowers and 2 red flowers. How many flowers are there in all?
  22. 22.3 + ? = 6
  23. 23.Aditya has 7 shells and gets 4 shells more. How many shells does Aditya have now?
  24. 24.2 + 4 + 4 =
  25. 25.There are 2 white crayons and 14 red crayons. How many crayons are there in all?
  26. 26.11 + 5 =
  27. 27.Ishaan has 6 bananas and gets 7 bananas more. How many bananas does Ishaan have now?
  28. 28.3 + 4 + 9 =
  29. 29.15 + 2 =
  30. 30.There are 2 blue flowers and 9 green flowers. How many flowers are there in all?
  31. 31.3 + 8 =
  32. 32.11 + 6 =
  33. 33.19 + 1 =
  34. 34.4 + ? = 10
  35. 35.6 + ? = 8
  36. 36.1 + 17 =
  37. 37.There are 6 pink flowers and 6 green flowers. How many flowers are there in all?
  38. 38.18 + 1 =
  39. 39.? + 3 = 6
  40. 40.2 + 13 =

Answer key

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

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