Scholastic
Scholastic: Multiple Ways to Solve a Problem
This Marilyn Burns lesson plan employs children's literature to teach the topics of combinations, perimeter, and area using a problem solving approach. Primary and intermediate levels have an activity appropriate to each.
Code.org
Code.org: Cs Fundamentals: Persistence & Frustration: Stevie and the Big Project
Help students realize that failure and frustration are common when working on projects, but that doesn't mean that they should give up.