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If we were to do a full audit of our K to 12 math questions/problems we give students, most would sit/oscillate around "Anxiety" to "Boredom". Rarely, do we put students in "Flow"--optimal experience.
This is the graphical illustration of why math education is broken.
.: [Curriculum], [Sunil Singh], [Pedagogy].
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Do you agree?
"Students rarely spend time with regards to the relationship of numbers, and general truths about them being odd/even. Strengthening this early on supports future precision/interest in arithmetic."