Here's a nice problem solving strategy poster.: Here's a nice problem solving strategy poster.

Math Problem Solving- FREE: Steps for Non-Routine Problem Solving Flip-Book…

These are more advanced math problem solving strategies. The examples work better for grades Teaching to Inspire with Jennifer Findley

How and why to incorporate non-routine problem solving into your instruction.Prepares students for real world problem solving, gives students choice, challenging, fun, and boosts math confidence.

This website is a good resource for non-traditional math tasks. I would use these to develop critical thinking and discussion skills as well as math concepts.

Taco Truck Business using Decimals, Area, & Perimeter

FREEBIE Menu Math, word problem cards, task cards for & grade math students

Great strategies that cover all types of learners - visual, kinesthetic and auditory.