Mister Teacher, a 3rd grade math teacher, is teaching his kids to compare number values by using the “alligator mouth eats the greater number” trick. They seem to have gotten the idea: Almost all of ...
(This is the final post in a three-part series. You can see Part One here and Part Two here.) In Part Two, Sunil Singh, Laney Sammons, Abby Shink, Cathy Seeley, and Shannon Jones shared their thoughts ...
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