Timothy Johnson on Substack: "My wife got this book recently, and we can't wait to start a math circle for our own kids!"

Timothy Johnson

My wife got this book recently, and we can't wait to start a math circle for our own kids!

Mr. and Mrs. Psmith’s Bookshelf

REVIEW: Math from Three to Seven, by Alexander Zvonkin

Sep 30

at

4:10 PM

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