Curated OER
Basil Heatter, "The Long Night of the Little Boats"
“It was a miracle.” Basil Heatter’s “The Long Night of the Little Boats,” which details the miraculous rescue of the British army from the shores of Dunkirk in 1940, is featured in a series of exercises that ask class members to read,...
Illustrative Mathematics
Sugar in Six Cans of Soda
Understanding how to multiply a whole number by a fraction is the key concept. Young mathematicians create a visual model of this real-world example and find the solution. Extensions are possible for making this an even richer activity....