Math Content

The TK Year: Play Is Not the Opposite of Rigor

The TK Year: Play Is Not the Opposite of Rigor

By Hannah Herbert, PK–6 Content Specialist Step into a transitional kindergarten (TK) classroom during student-led play, and you might see two students stacking blocks, a small group stringing beads in the makerspace, and a lively debate unfolding in the dramatic play...

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The Joy of Fluency

The Joy of Fluency

By William McCallum I’m not a very good skier, but I have once or twice in my life experienced the joy of a perfect run: gliding down the slopes, taking each turn with confidence. And I’ve had terrible runs where I struggled up a slope to find a detached ski, getting...

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What Is Right About Wrong Answers?

What Is Right About Wrong Answers?

When I first started teaching, at the end of each day, I would open my teacher’s guide, grab my pen, and thumb through the stack of completed worksheets. My eyes would dart quickly from the red answers in the teacher’s guide to the corresponding answers on each...

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