rates, ratios, proportions
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Unit Cost and Actual Shopping
I previously shared that grocery shopping has a lot of tasks that are overlooked. One is working with unit costs. There are two math tasks related to unit cost, interpreting what a unit cost is and computing the total cost for buying multiple items. When I take a student into a grocery store to work…
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Multiplication, Proportional Relationships, and Slope Word Problems Updated
I posted previously about unpacking word problems involving multiplication or Slope. Here is an update. I have students draw a picture for the quantities identified. The multiplication situations become apparent when groups of objects are arise through the drawing, in contrast to an addition problem (right). This also helps algebra students visualize the rate and…
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Intro to Constant of Proportionality Using Hourly Pay
An effective instructional strategy is to make the new math topic meaningful. A fellow Facebook group member asked about teaching the topic constant of proportionality. My suggestion is to use hourly wages as an introduction. I created a handout that starts with students finding a job with an hourly pay stated and then completing a…
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Introduction to Unit Rate using Unit Cost
