Counting Collections is a structured opportunity for students to count a collection of objects. In doing so, students develop strategies for organizing their collections, keeping track of their counting, and ultimately develop a concrete understanding of base ten place value system. Today I had the pleasure of observing a wonderful teacher as she led her kindergarten […]
Whenever I feel compelled to give unsolicited advice to teachers new to the profession, I give the following three suggestions: Stay curious. Always be willing to learn new things. Stay humble. Always be willing to unlearn things you thought were true, but aren’t. Begin each day with a reminder to yourself that you really, really […]
PROBLEM 1 The key strategy on this problem is to be super precise with your counting. For example, by treating 1×2 rectangles as DIFFERENT from 2×1 rectangles, you will see some pretty awesome patterns. Start by counting the 1-by’s and you will see there are 60 of them. You might also see a nice pattern. […]