Math Spiral 14: Math Practice Standard 3

Constructing viable arguments and critiquing the reasoning of others is a vital math skill to master. Matt argues that understanding fact families and fact family triangles is crucial in terms of understanding how to find a variable or unknown amount within an equation. Is he correct? Make sure to fully explain and back up why you agree or disagree with Matt’s claim. Make sure to show work so that the reader can fully understand your argument.