Lesson 6-1 Pages 264-268 Ratios and Rates. What you will learn! 1. How to write ratios as fractions...
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Transcript of Lesson 6-1 Pages 264-268 Ratios and Rates. What you will learn! 1. How to write ratios as fractions...
![Page 1: Lesson 6-1 Pages 264-268 Ratios and Rates. What you will learn! 1. How to write ratios as fractions in simplest form. 2. How to determine unit rates.](https://reader035.fdocuments.in/reader035/viewer/2022062517/56649e975503460f94b9a8f9/html5/thumbnails/1.jpg)
Lesson 6-1 Pages 264-268
Ratios and Rates
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What you will learn!1. How to write ratios as fractions in simplest form.
2. How to determine unit rates.
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RatioRatioRateRateUnit rateUnit rate
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What you really need to know!
A ratio is a comparison of two numbers by division. Ratios can be written in three ways and should be in simplest form.
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Example 1:
Express the ratio 10 roses out of 12 flowers as a fraction in simplest form.
6
5
12
10
5 to 6
5 : 6
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Example 2:
Express the ratio 21 inches to 2 yards as a fraction in simplest form.
2 yards must be converted into inches first!2 yd x 36 inches = 72 inches
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Example 2:
Express the ratio 21 inches to 72 inches as a fraction in simplest form.
24
7
72
21
7 to 24
7 : 24
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Example 3:
A 12-oz bottle of cleaner cost $4.50. A 16-oz bottle of cleaner cost $6.56. Which costs less per ounce?
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Example 3:
38.01
375.0
1212
1250.4
12
50.4
41.01
41.0
1616
1656.6
16
56.6
The 12-oz bottle is less per ounce!
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Example 4:
A snail moved 30 feet in 2 hours. How many inches per minute did the snail move?
30 feet must be changed to inches.
2 hours must be changed to minutes.
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Example 4:
A snail moved 30 feet in 2 hours. How many inches per minute did the snail move?
30 ft x 12 in = 360 inches
2 hrs x 60 min = 120 minutes
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Example 4:
A snail moved 360 inches in 120 minutes. How many inches per minute did the snail move?
3in/min1
3
120
360
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Page 266
Guided Practice
#’s 4-15
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Pages 264-266 with someone at home and study
examples!
Read:
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Homework: Pages 266-268
#’s 16-46 even
51, 52, 54-70
Lesson Check 6-1
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Page
736
Lesson 6-1
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Lesson Check 6-1