Curated OER
Using the Proper Tools to Solve Problems
In this word problem worksheet, students complete ten multiple choice word problems by choosing the correct mathematical operation. This is an interactive worksheet.
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.