module 1 lesson 4 identifying proportional relationships
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Module 1 Lesson 4 Identifying Proportional Relationships.notebook
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Module 1 Lesson 4Identifying Proportional andNon Proportional RelationshipsIn Tables
12/8/16Homework:Lesson 4 Problem Set #1, 2, 3, 5, 7, 8 CRS 8 due Wednesday 12/14Do Now
Complete Example 3 on Page 11
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Alex's total earnings are proportional to the number of weeks he worked. There exists a constant value, 28, that can be multiplied by the number of weeks to determine the corresponding earnings for that week. The table shows an example of a proportional relationship.
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816243236404852
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If the hours change, does that mean the pay
MUST change?13
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How did you determine the pay for hours?
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Describe the relationship between the amount of money earned and the number of hours worked in this example.
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Describe the relationship between the amount of money earned and the number of hours worked in this example.
The two quantities are in a proportional relationship since time can be multiplied by the same number to get the amount of pay.
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How can multiplication and division be used to show the earnings are proportional to the number of hours worked?
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How can multiplication and division be used to show the earnings are proportional to the number of hours worked?
Every measure of time (hours) can be multiplied by the constant 8 to get each measure of pay.
Each measure of y (pay) can be divided by 8 to get the corresponding x (hours).
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Yes, pay is proportional to hours because when hours are multiplied by 8, it gives the corresponding pay amount.
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Get into pairs and complete Examples 1 4
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Closure
How can you use a table to determine whether the relationship between two quantities is proportional?
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