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The Hechinger Report on MSNThe building blocks of math that students need to excel — but aren’t always gettingStudents gathered around a bright blue number board in Melissa Williams’ kindergarten class at the Westminster School, gazing ...
When you count to 20, you start at 1 (or zero ... In the images below, the tower of blue blocks represents ten, and the red blocks represent different amounts of ones. Can you see how, when ...
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