Brain teasers are short puzzles designed in such a way that they encourage logical thinking. These puzzles surely appear very simple at first but they have many twists. There are many types of brain ...

Match word problems, visual models, and expressions & equations. Warm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy. Find Which One Doesn't Belong to ...

No, a visual puzzle isn’t just another fancy word for a jigsaw puzzle—though a jigsaw puzzle is a type of visual puzzle. The concept of visual puzzles is much broader than that. This guide will ...

Solve one-step word problems using a visual model & a problem-solving process. Warm up with a Mystery Math Mistake to hunt for the mistake in adding two 2-digit numbers using a decomposition strategy.