← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 838 · 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 + 5 + 7 =
  2. 2.5 + 10 =
  3. 3.Riya has 7 balloons and gets 3 balloons more. How many balloons does Riya have now?
  4. 4.4 + 3 =
  5. 5.3 + 3 + 6 =
  6. 6.Lakshmi has 15 pencils and gets 3 pencils more. How many pencils does Lakshmi have now?
  7. 7.There are 8 white beads and 5 yellow beads. How many beads are there in all?
  8. 8.16 + 1 =
  9. 9.There are 2 pink flowers and 4 yellow flowers. How many flowers are there in all?
  10. 10.2 + 1 + 14 =
  11. 11.? + 8 = 18
  12. 12.Isha has 8 shells and gets 6 shells more. How many shells does Isha have now?
  13. 13.18 + 1 =
  14. 14.Zoya has 4 marbles and gets 7 marbles more. How many marbles does Zoya have now?
  15. 15.There are 4 green balls and 14 pink balls. How many balls are there in all?
  16. 16.1 + ? = 6
  17. 17.19 + 1 =
  18. 18.Dev has 11 kites and gets 9 kites more. How many kites does Dev have now?
  19. 19.Kavya has 14 flowers and gets 3 flowers more. How many flowers does Kavya have now?
  20. 20.1 + ? = 4
  21. 21.13 + ? = 14
  22. 22.6 + ? = 10
  23. 23.2 + 3 + 13 =
  24. 24.There are 12 white kites and 8 pink kites. How many kites are there in all?
  25. 25.8 + 5 + 1 =
  26. 26.Rohan has 2 flowers and gets 5 flowers more. How many flowers does Rohan have now?
  27. 27.6 + 12 =
  28. 28.2 + 18 =
  29. 29.There are 12 white beads and 2 pink beads. How many beads are there in all?
  30. 30.1 + 7 + 7 =
  31. 31.2 + 3 + 3 =
  32. 32.? + 2 = 20
  33. 33.3 + 15 =
  34. 34.? + 12 = 19
  35. 35.4 + ? = 14
  36. 36.4 + 1 + 3 =
  37. 37.? + 2 = 10
  38. 38.13 + 2 =
  39. 39.2 + ? = 5
  40. 40.7 + 2 + 4 =

Answer key

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

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