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In this engineering activity, learners explore simple machines and then build cardboard automata using cams.

In this math lesson, learners count and compare amounts of money less than or equal to one dollar.

In this math lesson, learners participate in a variety of activities that give them experience in recognizing, describing, and extending repeating and arithmetic patterns.

In this math lesson, learners explore the concept of using units to measure length. Learners first read "How Big is a Foot" by Rolf Myller and learn about units.