← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 328 · 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. 1.17 + 2 =
  2. 2.There are 11 pink crayons and 2 white crayons. How many crayons are there in all?
  3. 3.3 + 12 =
  4. 4.7 + ? = 18
  5. 5.1 + 10 =
  6. 6.Zoya has 13 marbles and gets 2 marbles more. How many marbles does Zoya have now?
  7. 7.There are 12 pink balloons and 8 yellow balloons. How many balloons are there in all?
  8. 8.2 + 7 + 3 =
  9. 9.12 + 3 =
  10. 10.Tara has 5 flowers and gets 5 flowers more. How many flowers does Tara have now?
  11. 11.Lakshmi has 13 books and gets 4 books more. How many books does Lakshmi have now?
  12. 12.8 + ? = 17
  13. 13.? + 2 = 20
  14. 14.5 + 3 + 8 =
  15. 15.Aditya has 13 balls and gets 7 balls more. How many balls does Aditya have now?
  16. 16.2 + 8 + 9 =
  17. 17.11 + 2 =
  18. 18.17 + 3 =
  19. 19.? + 6 = 9
  20. 20.? + 8 = 17
  21. 21.2 + ? = 5
  22. 22.12 + 5 =
  23. 23.11 + 9 =
  24. 24.3 + ? = 9
  25. 25.1 + 13 =
  26. 26.? + 11 = 18
  27. 27.Aditya has 13 flowers and gets 4 flowers more. How many flowers does Aditya have now?
  28. 28.2 + 6 =
  29. 29.4 + ? = 13
  30. 30.13 + 4 =
  31. 31.There are 4 red beads and 6 pink beads. How many beads are there in all?
  32. 32.1 + ? = 5
  33. 33.? + 1 = 3
  34. 34.Diya has 12 flowers and gets 7 flowers more. How many flowers does Diya have now?
  35. 35.1 + 6 =
  36. 36.2 + ? = 14
  37. 37.19 + 1 =
  38. 38.16 + 3 =
  39. 39.There are 3 red crayons and 17 green crayons. How many crayons are there in all?
  40. 40.5 + 2 =

Answer key

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

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