1 I believe in chalk karin webb Subscribe Unsubscribe 6y ago6y ago Subscribe Unsubscribe 每天+ Nostalgia about chalk … continue reading
1 The relationship of chalk and math 2:04 Play Pause 6y ago2:04 Play Pause 稍后播放 稍后播放 列表 喜欢 喜欢 2:04 I describe how chalk helped me on my journey to love math … continue reading
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