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  • Sales Price Entry Point

    Sales Price Entry Point

    A pseudo- concrete representation of a sales price problem is shown below. This is what I use as an entry point for teaching these problems. The entire shape represents the total price of $80. This is 100%, which in student language is “the whole thing.” The discount rate is 25%. Cut with scissors to lop…

  • Elapsed Time Scaffolded

    Elapsed Time Scaffolded

    The photo above shows a scaffolded handout to break down elapsed time for a student. The problem is divided into 3 parts: time from 10:50 to 11:00, time from 3:15, time from 11:00 to 3:00 (see photo below). This is based on how we may compute elapsed time by focusing on minutes then on hours.…