Illustrative Math - Algebra 1 - Unit 3 - Lesson 1
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7 Questions
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A random sample of adults are asked about their preferences for a first dinner date with someone. Complete the two-way table so that it has the characteristics listed.
- 122 people responded to the survey.
- 50 of the people who said they order dessert said they also prefer to split the check.
- 68 people prefer splitting the check.
- 56 people prefer to skip dessert rather than ordering one.
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Students in the 7th, 8th, and 9th grade were asked whether they prefer to write in pen or pencil.
- 40 students prefer to write in pen.
- 60 students prefer to write in pencil.
Create values that could represent the number of students in the 7th, 8th, and 9th grade that responded to the survey.
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A recent study observed the number of bike riders ages 0 to 20 that wear helmets. The results are represented in the table.
Make an observation based on a data value that is not in the table. Explain your reasoning.
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This lesson is from Illustrative Mathematics. Algebra 1, Unit 3, Lesson 1. Internet. Available from https://curriculum.illustrativemathematics.org/HS/teachers/1/3/1/index.html ; accessed 26/July/2021.
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