The common-core math standards require that students learn the standard algorithm for multi-digit adding and subtracting—you know, the process in which you line the numbers up vertically to add or ...
Godslove Ampah (right), with math teacher Tonya Howard: “Whenever I look at an equation, I just want to use my brain to figure it out.” Credit: Maya McFadden photos Time to math! The standard ...
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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