What is best? 20oz popcorn for $4.50
-
Upload
troy-camacho -
Category
Documents
-
view
24 -
download
7
description
Transcript of What is best? 20oz popcorn for $4.50
![Page 1: What is best? 20oz popcorn for $4.50](https://reader035.fdocuments.in/reader035/viewer/2022062517/568134a1550346895d9b9df7/html5/thumbnails/1.jpg)
What is best?
20oz popcorn for $4.50 or 32 oz popcorn for $7.00 ?
$4.50 / 20 = $0.225 per oz so $0.23
Here is the Unit Cost:
$7.00 / 32 = $0.21875 per oz so $0.22
So the lowest Unit Price (and the best bargain) is 32oz for $7.00
Bell Work
![Page 2: What is best? 20oz popcorn for $4.50](https://reader035.fdocuments.in/reader035/viewer/2022062517/568134a1550346895d9b9df7/html5/thumbnails/2.jpg)
![Page 3: What is best? 20oz popcorn for $4.50](https://reader035.fdocuments.in/reader035/viewer/2022062517/568134a1550346895d9b9df7/html5/thumbnails/3.jpg)
A ratio is the comparison of two numbers with the same units by division. A ratio may be written in three ways.
3
2 3:2 3 to2
What ratios can we form from the tiles above?
part
whole
whole
part
part
part 12 to 8
20
12
12
20
![Page 4: What is best? 20oz popcorn for $4.50](https://reader035.fdocuments.in/reader035/viewer/2022062517/568134a1550346895d9b9df7/html5/thumbnails/4.jpg)
Create as many ratios as possible. Write each ratio three different ways.
![Page 5: What is best? 20oz popcorn for $4.50](https://reader035.fdocuments.in/reader035/viewer/2022062517/568134a1550346895d9b9df7/html5/thumbnails/5.jpg)
Simplest Form
• Write the ratio 50 to 300 in simplest form.
300
50
6
1
![Page 6: What is best? 20oz popcorn for $4.50](https://reader035.fdocuments.in/reader035/viewer/2022062517/568134a1550346895d9b9df7/html5/thumbnails/6.jpg)
Write the ratio of filled cells to total cells?
The ratio illustrated here is four filled cells to ten total cells.
The ratio shown here is two filled cells to five total cells.
How are they equivalent? 5
2
10
4and
![Page 7: What is best? 20oz popcorn for $4.50](https://reader035.fdocuments.in/reader035/viewer/2022062517/568134a1550346895d9b9df7/html5/thumbnails/7.jpg)
Unit RateTo find the Unit Rate, you would find the cost or amount for 1. Or the rate when the denominator is 1.
“How much for just 1?”
![Page 8: What is best? 20oz popcorn for $4.50](https://reader035.fdocuments.in/reader035/viewer/2022062517/568134a1550346895d9b9df7/html5/thumbnails/8.jpg)
The cost of a 12-ounce box of Cheerios is $3.29. Publix brand Cheerios cost $4.89 for an 18-ounce box. Find the unit rate to find the better buy.
12
29.3274.
18
89.4271.
![Page 9: What is best? 20oz popcorn for $4.50](https://reader035.fdocuments.in/reader035/viewer/2022062517/568134a1550346895d9b9df7/html5/thumbnails/9.jpg)
How can you show an infinite number of possible answers?
Egg salad: 2 pound for $6
You can display all the possibilities in a proportional relationship by graphing!
1 pound for $5
2 pounds for $6
20 pounds for $100
1 pound for $3
6 pounds for $18
![Page 10: What is best? 20oz popcorn for $4.50](https://reader035.fdocuments.in/reader035/viewer/2022062517/568134a1550346895d9b9df7/html5/thumbnails/10.jpg)
Let’s Review
Core Lesson
2 pounds for $6Weight
(lb.)Cost ($)
2
4
6
6
12
18
![Page 11: What is best? 20oz popcorn for $4.50](https://reader035.fdocuments.in/reader035/viewer/2022062517/568134a1550346895d9b9df7/html5/thumbnails/11.jpg)
Let’s Review
Core Lesson
Weight (lb.)
Cost ($)
2
4
6
6
12
18
Weight (lb.)
![Page 12: What is best? 20oz popcorn for $4.50](https://reader035.fdocuments.in/reader035/viewer/2022062517/568134a1550346895d9b9df7/html5/thumbnails/12.jpg)
Let’s Review
Core Lesson
Time (hr.)
30 miles in 2 hours
45 miles in 3 hours
15 miles in 1 hour
![Page 13: What is best? 20oz popcorn for $4.50](https://reader035.fdocuments.in/reader035/viewer/2022062517/568134a1550346895d9b9df7/html5/thumbnails/13.jpg)
Let’s ReviewGuided Practice
Graph the proportional relationship “2 pounds of prime rib for $11.”
Weight (lb.)
Weight (lb.)
Cost ($)
112
1 5.504 22
![Page 14: What is best? 20oz popcorn for $4.50](https://reader035.fdocuments.in/reader035/viewer/2022062517/568134a1550346895d9b9df7/html5/thumbnails/14.jpg)
Let’s ReviewGuided Practice
State in words the proportional relationship shown here.(There are many correct answers!)
x
y
Time (min.)
2 feet per min
![Page 15: What is best? 20oz popcorn for $4.50](https://reader035.fdocuments.in/reader035/viewer/2022062517/568134a1550346895d9b9df7/html5/thumbnails/15.jpg)
Let’s ReviewExtension Activities
Graph “a loss of 2 dollars per day.” Discuss why the graph is in the fourth quadrant.
Day
Day $
1
3
5
-2
-6
-10
![Page 16: What is best? 20oz popcorn for $4.50](https://reader035.fdocuments.in/reader035/viewer/2022062517/568134a1550346895d9b9df7/html5/thumbnails/16.jpg)
Let’s Review
Quick Quiz
Graph the proportional relationship “15 miles in 3 hours.”
You Try:
3 6 9 12 15
hours
![Page 17: What is best? 20oz popcorn for $4.50](https://reader035.fdocuments.in/reader035/viewer/2022062517/568134a1550346895d9b9df7/html5/thumbnails/17.jpg)
Let’s Review
Quick Quiz
State in words the proportional relationship shown here.(There are many correct answers!)
Weight (ounces)
You Try
5oz for $2
![Page 18: What is best? 20oz popcorn for $4.50](https://reader035.fdocuments.in/reader035/viewer/2022062517/568134a1550346895d9b9df7/html5/thumbnails/18.jpg)
Skills Check!When you finish turn your paper over and
put it in the corner of your desk. Silent read, work on other homework or practice more problems. No talking.
Practice:
Worksheet