Formative 1.5-1.8
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Mathematics
•
9th Grade
•
Hard
Grace Leider
Used 1+ times
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3 Slides • 10 Questions
1
Formative 1.5-1.8
2
Multiple Select
According to a recent poll, 4,060 out of 14,500 people in the United States were classified as obese based on their body mass index. What's the relative frequency of obesity according to this poll? (check all that apply)
a 7:25 ratio
28% of the population are classified as obese
.72 is the obesity rate
28 out of every 100 people are classified as obese
3
According to a recent poll, 4,060 out of 14,500 people in the United States were classified as obese based on their body mass index.
What's the relative frequency of obesity according to this poll?
Relative frequency---think percent----think "part over whole"
Part -- # of ppl who are obese whole -- total population
4,060/14,500 -- reduce or turn into a percent to describe relationship
4
Multiple Choice
In a survey of 2,538 people, 1,230 responded that they worked full time. What percent of people do not work full time?
48%
52%
50%
42%
5
In a survey of 2,538 people, 1,230 responded that they worked full time. What percent of people do not work full time?
"Part over Whole"
Whole--everyone surveyed 2,538
Part--People NOT working full time (2538-1230 = 1308)
1308/2538
Rounded to 52% of respondents do not work full time
6
Multiple Select
Determine whether the meaning is positive or negative. Select all that are negative.
40 B.C.
40 A.D.
Loss of 40 yards
Surplus of $40
100 feet above sea level
7
Multiple Select
Determine whether the meaning is positive or negative. Select all that are negative.
Gain of 40 yards
$40 in the black
40 degrees below freezing
Net gain of 40 points
8
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9
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10
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11
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12
Multiple Choice
A football team gains 6 yards on the first down, lost 15 yards on the second down, and gained 12 yards on the third down. How many yards does it need to gain on the fourth down to have a 10-yard gain from its starting position?
3 yards
7 yards
10 yards
13
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Formative 1.5-1.8
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