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Open Up - Grade 6 - Mathematics - Unit 8 - Lesson 7

Last updated 9 months ago
8 questions
1

These two histograms show the number of text messages sent in one week by two groups of 100 students. The first histogram summarizes data from sixth-grade students. The second histogram summarizes data from seventh-grade students.
Do the two data sets have approximately the same center?

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1

These two histograms show the number of text messages sent in one week by two groups of 100 students. The first histogram summarizes data from sixth-grade students. The second histogram summarizes data from seventh-grade students.
Which data set has greater spread?

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1

These two histograms show the number of text messages sent in one week by two groups of 100 students. The first histogram summarizes data from sixth-grade students. The second histogram summarizes data from seventh-grade students.
Overall, which group of students—sixth- or seventh-grade—sent more text messages?

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1

Forty sixth-grade students ran 1 mile. Here is a histogram that summarizes their times, in minutes. The center of the distribution is approximately 10 minutes.

On the blank axes, draw a second histogram that has:
  • a distribution of times for a different group of 40 sixth-grade students.
  • a center at 10 minutes.
  • less variability than the distribution shown in the first histogram.

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1

Jada has d dimes. She has more than 30 cents but less than a dollar.

Write an inequality that represents how many dimes Jada has.

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1

Jada has d dimes. She has more than 30 cents but less than a dollar.

Can d be 10?

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1

Jada has d dimes. She has more than 30 cents but less than a dollar.

How many possible solutions make both inequalities true?

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1

Order these numbers from greatest (at the top) to least (at the bottom):

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Source: Open Up Resouces (Download for free at openupresources.org.)