Understand the problem
Identify the unknowns
List the given information
Draw a figure or diagram if helpful
Restate the problem in your own words
Devise a plan
Look for patterns
Relate to similar problems
Use a formula, theorem, or principle
Work backward
Break the problem into smaller parts
Choose a strategy
Carry out the plan
Perform the calculations carefully
Check each step
Verify the result
Look for alternative solutions
Reflect on the solution
Ask whether the answer makes sense
Consider whether the method can be used again