Case/when statement in Ruby - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to start a case statement for variable grade.

Ruby

case [1]
when 'A'
  puts 'Excellent'
end

Drag options to blanks, or click blank then click option'

Amark

Bscore

Cresult

Dgrade

Attempts:

3 left

💡 Hint

Common Mistakes

Using a variable name that is not defined or unrelated to the case statement.

The case statement should check the variable grade to match its value with the when clauses.

2fill in blank

medium

Complete the code to print 'Good' when score is 80.

Ruby

case score
when [1]
  puts 'Good'
end

Drag options to blanks, or click blank then click option'

A80

B70

C'A'

D'B'

Attempts:

3 left

💡 Hint

Common Mistakes

Using quotes around numbers, which makes them strings and won't match numeric score.

The when clause should match the value 80 to print 'Good'.

3fill in blank

hard

Fix the error in the case statement to correctly print 'Pass' when result is 'pass'.

Ruby

case result
when [1]
  puts 'Pass'
end

Drag options to blanks, or click blank then click option'

A'pass'

Bpass

C:pass

D"pass"

Attempts:

3 left

💡 Hint

Common Mistakes

Using unquoted strings which Ruby treats as variables or symbols, causing errors.

String values in Ruby must be quoted in when clauses to match correctly.

4fill in blank

hard

Fill both blanks to complete the case statement that prints 'Low' for scores less than 50 and 'High' for 50 or more.

Ruby

case
when score [1] 50
  puts 'Low'
when score [2] 50
  puts 'High'
end

Drag options to blanks, or click blank then click option'

A<

B>=

C<=

D>

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong comparison operators that reverse the logic.

The first when checks if score is less than 50, the second checks if it is 50 or more.

5fill in blank

hard

Fill all three blanks to create a case statement that prints the day type based on day: 'Weekend' for Saturday or Sunday, 'Weekday' for Monday to Friday, and 'Unknown' otherwise.

Ruby

case day
when [1], [2]
  puts 'Weekend'
when 'Monday'..'Friday'
  puts '[3]'
else
  puts 'Unknown'
end

Drag options to blanks, or click blank then click option'

A'Saturday'

B'Sunday'

CWeekday

D'Holiday'

Attempts:

3 left

💡 Hint

Common Mistakes

Forgetting quotes around day names or output strings.

Using incorrect day names or output text.

The when clause lists Saturday and Sunday as weekend days. The second when uses a range for weekdays and prints 'Weekday'.