Open letter to Sal Khan | Overthinking my teaching - 4 views
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the whole number place value rules do not apply.
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Jenny Entsch-Keith on 03 Apr 14While some rules as strategies help, students need to develop a greater understanding of why and how when it comes to learning.
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These two students have learned all the rules that you seek to teach them, and they do not understand decimals at all.
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@MathMinds