← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 829 · 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. 1.19 + 1 =
  2. 2.1 + ? = 7
  3. 3.Sneha has 7 kites and gets 2 kites more. How many kites does Sneha have now?
  4. 4.Ananya has 2 flowers and gets 13 flowers more. How many flowers does Ananya have now?
  5. 5.1 + 1 + 9 =
  6. 6.5 + 15 =
  7. 7.? + 3 = 15
  8. 8.1 + 14 =
  9. 9.5 + 13 =
  10. 10.18 + 1 =
  11. 11.8 + ? = 10
  12. 12.There are 10 pink beads and 10 white beads. How many beads are there in all?
  13. 13.8 + 3 + 9 =
  14. 14.There are 8 yellow balloons and 4 pink balloons. How many balloons are there in all?
  15. 15.There are 11 yellow flowers and 6 blue flowers. How many flowers are there in all?
  16. 16.Riya has 8 crayons and gets 9 crayons more. How many crayons does Riya have now?
  17. 17.3 + 2 + 13 =
  18. 18.13 + ? = 16
  19. 19.? + 8 = 10
  20. 20.13 + 4 =
  21. 21.6 + 6 + 1 =
  22. 22.15 + 5 =
  23. 23.13 + 2 =
  24. 24.There are 11 blue balloons and 3 yellow balloons. How many balloons are there in all?
  25. 25.Nisha has 6 balls and gets 14 balls more. How many balls does Nisha have now?
  26. 26.1 + 1 + 4 =
  27. 27.4 + 16 =
  28. 28.3 + 8 + 1 =
  29. 29.Tara has 10 mangoes and gets 9 mangoes more. How many mangoes does Tara have now?
  30. 30.1 + 8 + 7 =
  31. 31.Pooja has 12 pencils and gets 3 pencils more. How many pencils does Pooja have now?
  32. 32.17 + 1 =
  33. 33.There are 9 blue crayons and 3 white crayons. How many crayons are there in all?
  34. 34.3 + 8 + 6 =
  35. 35.Meera has 7 marbles and gets 12 marbles more. How many marbles does Meera have now?
  36. 36.7 + 1 =
  37. 37.? + 6 = 9
  38. 38.? + 5 = 11
  39. 39.Pooja has 2 books and gets 1 book more. How many books does Pooja have now?
  40. 40.Ananya has 3 flowers and gets 7 flowers more. How many flowers does Ananya have now?

Answer key

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

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