nclab.com
Karel #1: Make Sense of Problems and Persevere in Solving Them
What It Means Understand the problem, find a way to attack it, and work until it is done. Basically, you will find practice standard #1 in every math problem, every day. The hardest part is pushing students to solve tough problems by applying what they already know and to monitor themselves when problem-solving. Computer Programming
Petr Lukas