Code Lab

Computer Science discovery

Code Lab

Today's mission

Code Lab: Look and choose

Code Lab: The character turns too soon. Choose the card to change.

Notice Try Show
A three-card program beside a path replay with the wrong turn highlighted

What do you think?

Grown-up guide

Learning goal

Test a simple program and revise the specific instruction that causes an unexpected result.

Listen for

Debugging means replacing the whole program after any mistake.

Teaching move

Pause the replay at the first mismatch and change only one instruction.

Standards under review

CSTA.1A-AP-14 / CSTA.1A-AP-15

Educator review is required before verified-release status.

Original World tools