The following are three examples of calculation strategies students might discover on their own if they were taught standard algorithms first and allowed to master them before moving on. The ...

The idea of an animal that can count or do math might sound like something out of a viral news story or TikTok video. But a sense of quantity, sometimes called "numerosity," appears across a ...

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Even the best math teachers have had students who ace the chapter tests just to go on and struggle with that same content on the final exam—or students who have a hard time grasping more advanced ...