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Unit 1

How Many?

Lesson 12

Adding, Subtracting, and Working with Data

Expressions and Equations

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Let’s answer questions about data.

Unit 1 ● Lesson 12

Learning

Goal

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Count on from 30

Unit 1 ● Lesson 12 ● Warm-up

  • Count by 1, starting at 30.
  • What patterns do you see?
  • How is starting at 30 like starting at 0?

Choral Count

Slides are CC BY NC Kendall Hunt Publishing. Curriculum excerpts are CC BY Illustrative Mathematics.

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Data Represented with Tally Marks

Unit 1 ● Lesson 12 ● Activity 1

  • Today we are going to collect survey data and answer questions about the data.
  • Group A is going to take the survey.
  • Record the data in your book as I record it for all to see.

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Launch

Slides are CC BY NC Kendall Hunt Publishing. Curriculum excerpts are CC BY Illustrative Mathematics.

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Data Represented with Tally Marks

Unit 1 ● Lesson 12 ● Activity 1

Our favorite __________________________________________________

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How many students chose category 1? ____________

How many students chose category 2?____________

How many students chose category 3? ____________

How many students chose category 1 or category 2? ____________

How many students took this survey? ____________

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Slides are CC BY NC Kendall Hunt Publishing. Curriculum excerpts are CC BY Illustrative Mathematics.

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Data Represented with Tally Marks

Unit 1 ● Lesson 12 ● Activity 1

  • How did you know how many students chose category 1?
  • How did you figure out how many students took the survey?

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Activity Synthesis

Slides are CC BY NC Kendall Hunt Publishing. Curriculum excerpts are CC BY Illustrative Mathematics.

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Data Represented with Numbers

Unit 1 ● Lesson 12 ● Activity 2

Now Group B is going to take the survey.

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Launch

Slides are CC BY NC Kendall Hunt Publishing. Curriculum excerpts are CC BY Illustrative Mathematics.

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Data Represented with Numbers

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Unit 1 ● Lesson 12 ● Activity 2

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Our favorite __________________________________________________

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How many students chose category 1? ____________

How many students chose category 2?____________

How many students chose category 3? ____________

How many students chose category 1 or category 2? ____________

How many students took this survey? ____________

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Slides are CC BY NC Kendall Hunt Publishing. Curriculum excerpts are CC BY Illustrative Mathematics.

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Data Represented with Numbers

Unit 1 ● Lesson 12 ● Activity 2

  • How did you know how many students chose category 1?
  • How did you figure out how many students took the survey?
  • What was the easiest question to answer? Why was it easy?
  • What was the hardest question to answer? Why was it hard?

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Activity Synthesis

Slides are CC BY NC Kendall Hunt Publishing. Curriculum excerpts are CC BY Illustrative Mathematics.

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How Many?

Unit 1 ● Lesson 12

Today we answered questions about data represented with tally marks and numbers.

  • Which representation do you prefer?
  • Why do you like that representation better?

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Lesson Synthesis

Slides are CC BY NC Kendall Hunt Publishing. Curriculum excerpts are CC BY Illustrative Mathematics.

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Favorite Sport Data

Unit 1 ● Lesson 12

Both data representations show the same data.

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Use either representation to answer the questions.

  1. How many students chose lacrosse? ____________
  2. How many students took the survey? ____________

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Cool-down

Slides are CC BY NC Kendall Hunt Publishing. Curriculum excerpts are CC BY Illustrative Mathematics.

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Slides are CC BY NC Kendall Hunt Publishing. Curriculum excerpts are CC BY Illustrative Mathematics.