Unit 8 Proportional Relationships

Lesson 1: Ratios and Rates

Goal:

Know how to write ratios and rates.  Know how to find unit rates.

Essential Question:

How can you represent a relationship between two quantities?

APK:

1. Write each fraction in simplest form.
2
​6
 4 
16
​25
70
​
 6 
52
2. What three consecutive odd numbers are factors of 105 (not 1)?
3. In your IN9, create and Effort/Understanding/Behavior chart, and rate yourself o a scale of 1-4 on what you think you will do today.

Vocabulary:

Use the following link to go to A Maths Dictionary for Kids, and look up the following word(s).  Be sure to write the definition(s) in your IN9.

ratio
equivalent ratios
rate
​unit rate

Learning Resources:

Watch the following videos.  Be sure to take notes in your IN9.

In-Class Worksheet:

With your partner, complete the Reading Strategies and Problem Solving Worksheets.
lesson_1_reading_strategies_and_problem_solving.pdf
File Size: 872 kb
File Type: pdf
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Reflection/ Summary:

1. In your IN9, answer the following question(s).  Share your response with your partner
Question(s):
Why is the ratio 2:5 different from the ratio 5:2?

Are the ratios 4:5 and 16:25 equivalent?  Explain.
2. In your IN9, complete the Effort/ Understanding/ Behavior chart by rating yourself on a scale of 1-4 on how well you think you did in class today.

Homework:

Complete either Level B (Puzzler optional) or Level C (Challenge optional).  Write your answers in your IN9.

Level B Homework

lesson_1_homework_b_and_puzzler.pdf
File Size: 780 kb
File Type: pdf
Download File

Level C Homework

lesson_1_homework_c_and_challenge.pdf
File Size: 798 kb
File Type: pdf
Download File

Math Humor:

The ratio of an igloo's circumference to its diameter is Eskimo Pi.

The ratio of a jack-o-lantern's circumference to its diameter is Pumpkin Pi.