• Unit Overview

  • Letter Home
  • Unit Preparation
  • Mathematics in this Unit
  • Assessment in this Unit
  • Key Assessment Opportunities Chart
• Daily Practice and Problems
• Home Practice

• Lesson 1

  • Part 1: Identify Variables and Values
  • Part 2: Collecting the Data
  • Part 3: Graphing and Exploring the Data
  • Summarizing the Lesson
  • Homework and Practice
  • Extensions
  • Answer Keys

• Lesson 2

  • Part 1: Describe Room 204 with Numerical Variables
  • Part 2: Collecting, Organizing, and Graphing the Data
  • Summarizing the Lesson
  • Homework and Practice
  • Extension
  • Answer Keys

• Lesson 3

  • Part 1: Exploring Medians Using Data About Us
  • Part 2: Exploring Medians Using Data About Room 204
  • Summarizing the Lesson
  • Homework and Practice
  • Answer Keys

• Lesson 4

  • Before the Lesson
  • Developing the Lesson
  • Summarizing the Lesson
  • Homework and Practice
  • Answer Keys

• Lesson 5

  • Before the Lesson
  • Part 1: Showing Data Using Ordered Pairs
  • Part 2: Launching the Lab
  • Part 3: Drawing and Collecting
  • Part 4: Graph the Data
  • Part 5: Analyzing the Data
  • Summarizing the Lesson
  • Homework and Practice
  • Extensions
  • Answer Keys

• Lesson 6

  • Before the Lesson
  • Developing the Lesson
  • Summarizing the Lesson
  • Homework and Practice
  • Answer Keys

Lesson 3

An Average Activity

Est. Class Sessions: 2

Daily Practice and Problems

X

Teacher Notes

X

TIMS Task

Three possible values are listed for each.

Number of Seats in Each Row: numerical: 15, 20, 30

Type of Shoe: categorical: gym shoe, sandal, dress shoe

Kind of Drink: categorical: lemonade, orange drink, cola

Size of Drink: categorical: small, medium, large; or numerical: 8 oz, 12 oz, 16 oz

Type of Food: categorical: popcorn, hot dogs, pizza

Type of Shirt: categorical: t-shirt, long-sleeve shirt, sweatshirt

Class Size: numerical: 25 students, 26 students, 27 students; or categorical: small, medium, large

Ongoing Assessment

Use DPP item J to assess students' abilities to name values and identify types of variables [E1, E2].

J. Variables and Values

Mrs. Dewey's class will investigate the variables listed below during a field trip to a baseball game. Decide if each variable is numerical or categorical. Then, name three possible values for each variable.