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  • Lavon Heath

    Member
    December 3, 2021 at 12:16 am

    Next week my students will work with dilations. This feels like multiplicative comparison to me.

    Here’s one problem: You can use a flashlight and your hands to make a shadow puppet of a rabbit. The length of the ears made from your hand is 3 inches. The length of the ears on the shadow is 4 inches. What is the scale factor? (And I will also be sure to talk about scaling down from the shadow to the hands.)

    In January we study slope. As we determine if a a relationship is linear, that feels like a composed unit to me.

    For example: You can rent a kayak for 3 hours for $27 or for 5 hours for $45. How much does it cost to rent the kayak for 8 hours.