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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 592 · 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.? + 1 = 6
  2. 2.There are 3 yellow flowers and 7 pink flowers. How many flowers are there in all?
  3. 3.Gurpreet has 8 pencils and gets 8 pencils more. How many pencils does Gurpreet have now?
  4. 4.12 + ? = 14
  5. 5.Manav has 11 kites and gets 4 kites more. How many kites does Manav have now?
  6. 6.There are 6 yellow balls and 7 blue balls. How many balls are there in all?
  7. 7.? + 1 = 4
  8. 8.Pooja has 13 balls and gets 3 balls more. How many balls does Pooja have now?
  9. 9.6 + ? = 8
  10. 10.7 + 1 + 12 =
  11. 11.4 + 2 + 1 =
  12. 12.5 + 1 =
  13. 13.Zoya has 14 books and gets 6 books more. How many books does Zoya have now?
  14. 14.Karan has 15 balloons and gets 3 balloons more. How many balloons does Karan have now?
  15. 15.There are 5 pink balloons and 13 white balloons. How many balloons are there in all?
  16. 16.There are 6 blue balloons and 4 pink balloons. How many balloons are there in all?
  17. 17.8 + 4 + 3 =
  18. 18.11 + ? = 20
  19. 19.There are 11 yellow flowers and 4 green flowers. How many flowers are there in all?
  20. 20.4 + 16 =
  21. 21.There are 2 blue flowers and 13 red flowers. How many flowers are there in all?
  22. 22.There are 2 pink balls and 11 blue balls. How many balls are there in all?
  23. 23.Priya has 8 balloons and gets 2 balloons more. How many balloons does Priya have now?
  24. 24.Isha has 12 kites and gets 4 kites more. How many kites does Isha have now?
  25. 25.3 + ? = 5
  26. 26.17 + 2 =
  27. 27.There are 2 blue balls and 15 yellow balls. How many balls are there in all?
  28. 28.6 + 5 + 3 =
  29. 29.Karan has 14 mangoes and gets 1 mango more. How many mangoes does Karan have now?
  30. 30.Arjun has 10 kites and gets 9 kites more. How many kites does Arjun have now?
  31. 31.There are 3 yellow beads and 3 white beads. How many beads are there in all?
  32. 32.10 + 6 =
  33. 33.Pooja has 6 bananas and gets 12 bananas more. How many bananas does Pooja have now?
  34. 34.There are 9 yellow balloons and 7 blue balloons. How many balloons are there in all?
  35. 35.2 + 8 + 4 =
  36. 36.12 + 1 =
  37. 37.? + 8 = 10
  38. 38.5 + 5 + 7 =
  39. 39.Ananya has 6 pencils and gets 14 pencils more. How many pencils does Ananya have now?
  40. 40.4 + ? = 6

Answer key

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

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