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1.2 Modeling quantities teacher notes.notebook 1 September 06, 2017 Unit 1, Module 1.2 Modeling Quantities Ratio: Proportion: Are the following proportions? Solve these proportions. A Comparison of two quantities An equation stating that two ratios are equal

Unit 1, Module 1 - Weeblyphsblythe.weebly.com/uploads/5/9/9/1/59912995/1-2_class_notes.pdf · Unit 1, Module 1.2 Modeling Quantities Ratio: Proportion: Are the following proportions?

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Page 1: Unit 1, Module 1 - Weeblyphsblythe.weebly.com/uploads/5/9/9/1/59912995/1-2_class_notes.pdf · Unit 1, Module 1.2 Modeling Quantities Ratio: Proportion: Are the following proportions?

1.2 Modeling quantities teacher notes.notebook

1

September 06, 2017

Unit 1, Module 1.2Modeling Quantities

Ratio:

Proportion:

Are the following proportions?

Solve these proportions.

A Comparison of two quantities

An equation stating that two ratios are equal

Page 2: Unit 1, Module 1 - Weeblyphsblythe.weebly.com/uploads/5/9/9/1/59912995/1-2_class_notes.pdf · Unit 1, Module 1.2 Modeling Quantities Ratio: Proportion: Are the following proportions?

1.2 Modeling quantities teacher notes.notebook

2

September 06, 2017

Scale Drawings and ModelsScale Factor:Ratio of any length in a scale drawing (or model) to the actual length

Scale drawing Scale Model

The actual distance from Chicago to Evanston is 11.25 mi. What is the distance on the map? 

Dimensional Analysis

Rate: Ratio with different units

Unit Rate:

a comparison of two measurements in which one of the terms has a value of 1

Page 3: Unit 1, Module 1 - Weeblyphsblythe.weebly.com/uploads/5/9/9/1/59912995/1-2_class_notes.pdf · Unit 1, Module 1.2 Modeling Quantities Ratio: Proportion: Are the following proportions?

1.2 Modeling quantities teacher notes.notebook

3

September 06, 2017

Graphing a Proportional Relationship

A local store sells 8 corn muffins for a total of $6.00. Find the unit rate. Then graph the points. 

Mrs. Blythe walked 6.32 miles in 1.5 hours at a constant rate. Find her unit rate and then graph the relationship.

Assignment:

Pg. 17 #1­11, 21­24