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Growing Rectangles
This task helps students understand how area and volume are affected when shapes are scaled up in size. For example, if you double the dimensions of a square, how is the area affected? What if you triple the dimensions? Excerpt of the task: Imagine a rectangle with an area of…
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About Mark Trushkowsky

Mark enjoys doing math problems that take weeks, family sing-a-longs and reading late into the night. At 16, he believed the next American revolution would be waged through poetry. Now he believes it is adult basic education. But he still likes poetry. Mark has worked in adult literacy and HSE since 2001. He is a founding member of the Community of Adult Math Instructors (CAMI) and a board member of the Adult Numeracy Network (ANN). He was born and raised in Brooklyn and currently lives happily ever after in Minnesota with his partner Sarah, their daughter Liv, 4 chickens, 2 bunnies, and a dog named French Fry. Follow him on Bluesky (@mtrushkowsky)