1 I believe in chalk karin webb Subscribe Unsubscribe 6y ago6y ago Subscribe Unsubscribe Harian+ Nostalgia about chalk … continue reading
1 The relationship of chalk and math 2:04 Play Pause 6y ago2:04 Play Pause Putar nanti Putar nanti Daftar Suka Menyukai 2:04 I describe how chalk helped me on my journey to love math … continue reading