Find area of figures with missing side lengths by decomposing. Engage in a Number Talk. Find area of figures with missing side lengths. How will you decompose the figures into rectangles to find the ...

As the nation’s school children struggle to make gains in mathematics — and continue to fall short of pre-pandemic achievement levels — a new Gallup poll reveals a related challenge: schools’ ...

Clarification: This story has been updated to clarify how University of Colorado researchers handle their data collection. A student digs into a math problem that references his favorite superhero, ...