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.

· 3.4 K – Solve one and two-step problems involving multiplication and division · 4.4 H - Solve with fluency one- and two-step problems involving multiplication and division, including interpreting ...

Among high school students and adults, girls and women are much more likely to use traditional, step-by-step algorithms to solve basic math problems – such as lining up numbers to add, starting with ...