Fourth Grade Problem Solving - Use Logical Reasoning - This is perfect for distance learning on Zoom or similar formats. On top of that it is powerful when used as direct instruction in the classroom. It teaches students how to use logical reasoning to solving problems. They are also taught how to use a list, Venn diagram, and table to organize their data. There are 22 effective teaching strategies used in this lesson base on research. For best results, students should have white boards an