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Pre-Algebra TUESDAY, 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_gGAPOZbF A
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Launch http://dashweb.pearsoncmg.com/main.html?r=15469&p=6 42 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 = 2:1 3.Yes. 50: 100 = 1:2 4.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 = 2:1 3.Yes. 50: 100 = 1:2 4.Yes. 100-50 = 50 5.Yes. 100 = 2 x 50 6.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
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