← Addition up to 20 lesson New set →

Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 271 · 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 + 2 + 9 =
  2. 2.4 + 14 =
  3. 3.1 + ? = 7
  4. 4.There are 3 green beads and 11 red beads. How many beads are there in all?
  5. 5.Riya has 9 mangoes and gets 7 mangoes more. How many mangoes does Riya have now?
  6. 6.5 + ? = 17
  7. 7.5 + 11 =
  8. 8.6 + 8 + 1 =
  9. 9.Ananya has 10 mangoes and gets 3 mangoes more. How many mangoes does Ananya have now?
  10. 10.7 + 4 =
  11. 11.Riya has 6 books and gets 4 books more. How many books does Riya have now?
  12. 12.5 + ? = 11
  13. 13.2 + 7 + 11 =
  14. 14.? + 3 = 9
  15. 15.4 + 7 + 1 =
  16. 16.There are 12 green beads and 4 white beads. How many beads are there in all?
  17. 17.1 + ? = 17
  18. 18.There are 4 red crayons and 8 blue crayons. How many crayons are there in all?
  19. 19.There are 3 green crayons and 5 yellow crayons. How many crayons are there in all?
  20. 20.Ananya has 2 books and gets 4 books more. How many books does Ananya have now?
  21. 21.6 + 14 =
  22. 22.? + 5 = 9
  23. 23.1 + 1 + 2 =
  24. 24.6 + 4 + 5 =
  25. 25.18 + 1 =
  26. 26.There are 5 green balloons and 4 pink balloons. How many balloons are there in all?
  27. 27.There are 11 pink kites and 2 red kites. How many kites are there in all?
  28. 28.10 + 4 =
  29. 29.3 + 17 =
  30. 30.4 + 6 + 3 =
  31. 31.Riya has 4 marbles and gets 4 marbles more. How many marbles does Riya have now?
  32. 32.Isha has 5 bananas and gets 5 bananas more. How many bananas does Isha have now?
  33. 33.7 + 6 + 4 =
  34. 34.There are 7 blue balloons and 8 green balloons. How many balloons are there in all?
  35. 35.Zoya has 10 balls and gets 1 ball more. How many balls does Zoya have now?
  36. 36.There are 4 blue flowers and 14 red flowers. How many flowers are there in all?
  37. 37.3 + 4 + 9 =
  38. 38.3 + 7 =
  39. 39.7 + 7 =
  40. 40.Lakshmi has 5 shells and gets 3 shells more. How many shells does Lakshmi have now?

Answer key

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

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