Khan Academy: Conditionals With If, Else, and Booleans

Practice using conditional statements (if/else) and boolean expressions in programs in the AP CSP pseudocode, in this set of free practice questions designed for AP Computer Science Principles students.

A tutorial explainning the use of if, else, and Boolean logic in computer programming.

Practice using iteration in computer programs to repeat code until a boolean expression is true for programs written in the AP CSP pseudocode, in this set of practice questions designed for AP Computer Science Principles students.

Practice defining procedures with parameters for programs in the AP CSP pseudocode, in this set of free practice questions designed for AP Computer Science Principles students.

Practice using procedures with parameters for computer programming.

Practice programming problems using procedures with return values.

Learn how programmers repeat code using a programming construct like the while loop.

Learn how to pair Khan Academy's course mastery system with assignments in order to best meet the needs of all students.

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Procedures can compute values for the rest of the program to use by sending back return values.