Open Up - Grade 6 - Mathematics - Unit 8 - Lesson 18
By Formative Library
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Last updated over 2 years ago
12 Questions
1
1.
Twenty students timed how long each of them took to solve a puzzle. Here is a dot plot of their solution times.
Predict which measure of center —the mean or the median—will be larger.
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2.
Twenty students timed how long each of them took to solve a puzzle. Here is a dot plot of their solution times.
Calculate the mean.
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3.
Twenty students timed how long each of them took to solve a puzzle. Here is a dot plot of their solution times.
Calculate the median.
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4.
Twenty students timed how long each of them took to solve a puzzle. Here is a dot plot of their solution times.
Which pair of measures of center and variability—mean and MAD, or median and IQR—would you choose to describe the distribution of the solution times?
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5.
A local library showed a movie during a children’s festival. Jada recorded the ages of 100 children who watched the movie. Here is a histogram for her data.
Can the histogram be used to estimate the mean age of the movie watchers?
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6.
A local library showed a movie during a children’s festival. Jada recorded the ages of 100 children who watched the movie. Here is a histogram for her data.
Can the histogram be used to estimate the median age of the movie watchers?
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7.
A local library showed a movie during a children’s festival. Jada recorded the ages of 100 children who watched the movie. Here is a histogram for her data.
Can the histogram be used to find the exact median age of the movie watchers?
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8.
A local library showed a movie during a children’s festival. Jada recorded the ages of 100 children who watched the movie. Here is a histogram for her data.
Is it possible to tell from the histogram if there was at least one 3-year-old who watched the movie?
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9.
In a game, players are shown a picture that has 14 butterfly shapes hidden in it. They are given 3 minutes to find as many hidden butterfly shapes as they can.
Twenty fourth-grade students and twenty sixth-grade students played this game. The dot plots represent the numbers of butterfly shapes the two groups found.
Write a few sentences comparing the numbers of hidden butterflies found for these two groups of students.
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10.
In a round of mini-golf, Elena records the number of strokes it takes to hit the ball in the hole for each green.
Find the range for the number of strokes needed on each green.
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11.
In a round of mini-golf, Elena records the number of strokes it takes to hit the ball in the hole for each green.
Find the median for the number of strokes needed on each green.
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12.
In a round of mini-golf, Elena records the number of strokes it takes to hit the ball in the hole for each green.
Find the interquartile for the number of strokes needed on each green.
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Source: Open Up Resouces (Download for free at openupresources.org.)