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Lesson 13.notebook
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September 30, 2014
Homework:Lesson 13 Problem Set #1, 2
Sept. 30th
Aim: Finding Equivalent Ratios Given the TotalQuantity
Module 1, Lesson 13
DO NOW:
Exam 1 Friday 10/3
Exit Ticket for Lesson 12
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Discussion Questions:Example 1:
• How did you find the missing values in the third column of the table?
• Based on the table, is the backpack weight proportional to the hiker's weight? How do you know?
• Would these quantities always be proportional to each other?
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Discussion Questions:Example 1:
• Below is the process for writing and using equations to solve for missing values in a table.
1.Find the constant of proportionality or unit rate.2.Set up an equation in the form y = kx, replacing k
with the constant of proportionality.3.Substitute for known value in for the variable and
solve for the unknown variable.
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Discussion QuestionsExample 1:
• Discuss using proportions to find missing values in a table.
• Discuss how to use equivalent ratios to find missing values in a table.
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