The math standards issued by the Common Core State Standards Initiative have made life easier for innumerable teachers, and this compilation of common core multiplication strategies for 3rd and 4th ...
This summer, battle lines were drawn over a simple math problem: 8 ÷ 2(2 + 2) = ? If you divide 8 by 2 first, you get 16, but if you multiply 2 by (2 + 2) first, you get 1. So, which answer is right?
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