pre-algebra tuesday, august 19. learning target i will understand that relationships between...
TRANSCRIPT
![Page 1: Pre-Algebra TUESDAY, AUGUST 19. Learning Target I will understand that relationships between quantities can be compared in different ways](https://reader035.vdocuments.site/reader035/viewer/2022062720/56649f0e5503460f94c221e1/html5/thumbnails/1.jpg)
Pre-AlgebraTUESDAY, AUGUST 19
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Learning Target
I will understand that relationships between quantities can be compared in different ways.
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Launch
Can you think of any commercials that compare one product to another?
https://www.youtube.com/watch?v=pt2O-LPzX4g
Can you think of any commercials that compare by using numbers?
https://www.youtube.com/watch?v=V_gGAPOZbFA
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Launch
http://dashweb.pearsoncmg.com/main.html?r=15469&p=642
Statements: 10 more people prefer Cola Nola than Bolda Cola 2/3 of the people surveyed preferred Cola Nola
Why did they end up with two different conclusions from the same survey results?
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Problem 1.1 A Question 1
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Problem 1.1 A Question 2
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Problem 1.1 A Question 3
• The ratio of 17, 139 to 11, 426 THINK: round to compatible numbers 17 139 rounded up to 18,000 and 11, 426 rounded up to 12,000…what is that reduced?
• The ratio of 3 to 2 (a part to part comparison) could also be written as 3 to 5 ( a part to whole) comparison. 3 to 5 is 60%
• The difference between 17, 139 and 11, 426 is 5,713.
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Problem 1.1 A Question 4
• 1.5 times as many people preferred Bolda Cola to Cola Nola (like the Samsung commercial made a comparison)
• 6 out of 10 people preferred Bolda Cola to Cola Nola
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Problem 1.1 A Question 4
• Remember: 60% means 60 out of 100
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Problem 1.1 B Question 1 and 2
• 150 kids surveyed• 50 prefer a concert• 100 prefer an athletic
event
1. Yes. 50/150 would reduce to 1/3
2. Yes. 100:50 = 2:1
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Problem 1.1 B Question 3 and 4
• 150 kids surveyed• 50 prefer a concert• 100 prefer an athletic
event
1. Yes. 50/150 would reduce to 1/3
2. Yes. 100:50 = 2:13. Yes. 50: 100 = 1:24. Yes. 100-50 = 50
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Problem 1.1 B Question 5 and 6
• 150 kids surveyed• 50 prefer a concert• 100 prefer an athletic
event
1. Yes. 50/150 would reduce to 1/3
2. Yes. 100:50 = 2:13. Yes. 50: 100 = 1:24. Yes. 100-50 = 505. Yes. 100 = 2 x 506. No. About 33% of students
prefer concert to athletic event
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Rate your understanding
Learning Target
I will understand that relationships between quantities can be compared in different ways.
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Homework tonight
Complete page 7 of blue packet
Challenge questions: (ACE Questions start on page 19 and are in numerical order) #5 and #8