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. Common Core ...

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 ...

Children who count on their fingers between ages 4 and 6 1/2 have better addition skills by age 7 than those who don’t use their fingers, suggesting that finger counting is an important stepping stone ...

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Help D.C. with number sentences and ten frames, then learn about groups of up to 20. Join Mrs. Gray for a Mystery Math Mistake with D.C. He needs help figuring out his number sentences to match ten ...

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 ...

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