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- 8.F.A.1Understand that a function is a rule that assigns to each input exactly one output. The graph of a function is the set of ordered pairs consisting of an input and the corresponding output. (Function notation is not required in Grade 8.)
- 8.F.A.2Compare properties of two functions each represented in a different way (algebraically, graphically, numerically in tables, or by verbal descriptions). For example, given a linear function represented by a table of values and a linear function represented by an algebraic expression, determine which function has the greater rate of change.
- 8.F.A.3Interpret the equation y = mx + b as defining a linear function, whose graph is a straight line; give examples of functions that are not linear. For example, the function A = s<sup>2</sup> giving the area of a square as a function of its side length is not linear because its graph contains the points (1,1), (2,4) and (3,9), which are not on a straight line.

Introducing Function Graphs: Day 1 of 3

8th Grade Math

» Unit:

Functions

Big Idea:Interpret graphs to win big and create the best motion detector function graph in the class. Vote to win!

Christa Lemily

Suburban Env.

16 Resources

20 Favorites

16 Resources

20 Favorites

Pay it Forward

8th Grade Math

» Unit:

Law and Order: Special Exponents Unit

Big Idea:Exponential growth can have an amazing impact in a small amount of time.

Shaun Errichiello

Urban Env.

7 Resources

58 Favorites

7 Resources

58 Favorites

Turtle & Snail Part I : An Introduction to "Rule of Five'

8th Grade Math

» Unit:

The Fabulous World of Functions

Big Idea:This lesson helps students see relationships between the algebraic representations of a function. The context of the story helps to ground student understanding.

Heather Sparks

Urban Env.

21 Resources

28 Favorites

21 Resources

28 Favorites

The Most Annoying Sound on Earth

8th Grade Math

» Unit:

Scale of the Universe: Making Sense of Numbers

Big Idea:Sounds are often measured on a logarithmic decibel scale and are a perfect context for an investigation into exponents and scientific notation

Shaun Errichiello

Urban Env.

46 Resources

15 Favorites

46 Resources

15 Favorites

Exploring Angle Relationships Through Transformations

8th Grade Math

» Unit:

Transformations

Big Idea:Intersecting lines form angle relationships that can be explored and understood as an application of transformations.

Christa Lemily

Suburban Env.

12 Resources

5 Favorites

12 Resources

5 Favorites

Graphing Linear Functions Using Given Information

Algebra I

» Unit:

Graphing Linear Functions

Big Idea:Students calculate slope and y-intercept before graphing a linear function on a coordinate plane.

Noelani Davis

Urban Env.

17 Resources

31 Favorites

17 Resources

31 Favorites

What is a Function?

Algebra I

» Unit:

Linear & Absolute Value Functions

Big Idea:Students will identify whether a relation is a function by examining its inputs and outputs or with the vertical line test.

Noelani Davis

Urban Env.

18 Resources

88 Favorites

18 Resources

88 Favorites

Domain and Range

Algebra I

» Unit:

Linear & Absolute Value Functions

Big Idea:Students will use real world examples to solidify their understanding of continuous and discrete inputs and outputs.

Noelani Davis

Urban Env.

19 Resources

23 Favorites

19 Resources

23 Favorites

Graphing Linear Functions in Standard Form (Day 1 of 2)

Algebra I

» Unit:

Graphing Linear Functions

Big Idea:Students will analyze the importance of intercepts in linear function, and use them to graph lines that are in an unfamiliar format.

Noelani Davis

Urban Env.

16 Resources

46 Favorites

16 Resources

46 Favorites

Disney World Park Tickets

8th Grade Math

» Unit:

Functions

Big Idea:Use tickets to Disney World to demonstrate that multiple inputs can have the same output and still represent a function table or graph.

Christa Lemily

Suburban Env.

13 Resources

16 Favorites

13 Resources

16 Favorites

Functions Unit Exam Day 2 of 2

8th Grade Math

» Unit:

Functions

Big Idea:Guide students through self-analysis of unit exams to determine areas of strength, improvement, and what to do next!

Christa Lemily

Suburban Env.

6 Resources

1 Favorite

6 Resources

1 Favorite

Fabulous World of Function- Unit Introduction

8th Grade Math

» Unit:

The Fabulous World of Functions

Big Idea:This lesson lays a strong foundation for the unit by introducing key unit vocabulary as well as the ever-important vertical line test.

Heather Sparks

Urban Env.

21 Resources

28 Favorites

21 Resources

28 Favorites

Introduction to Functions

8th Grade Math

» Unit:

INTRODUCTION TO FUNCTIONS

Big Idea:What is a function? Inputs and outputs - how do you know if something is a function?

Jeff Li MTP

Urban Env.

13 Resources

24 Favorites

13 Resources

24 Favorites

Day Four & Five

8th Grade Math

» Unit:

Welcome Back!

Big Idea:To help guide instruction for the year and establish a baseline for quarterly benchmark assessments, students will take a benchmark test aligned to the CCSS.

Heather Sparks

Urban Env.

8 Resources

14 Favorites

8 Resources

14 Favorites

Graphing Linear Functions in Standard Form (Day 2 of 2)

Algebra I

» Unit:

Graphing Linear Functions

Big Idea:Students will use their knowledge of literal equations to rearrange a line in standard form into a familiar format.

Noelani Davis

Urban Env.

17 Resources

40 Favorites

17 Resources

40 Favorites

8.F.A.1

Understand that a function is a rule that assigns to each input exactly one output. The graph of a function is the set of ordered pairs consisting of an input and the corresponding output. (Function notation is not required in Grade 8.)

8.F.A.2

Compare properties of two functions each represented in a different way (algebraically, graphically, numerically in tables, or by verbal descriptions). For example, given a linear function represented by a table of values and a linear function represented by an algebraic expression, determine which function has the greater rate of change.

8.F.A.3

Interpret the equation y = mx + b as defining a linear function, whose graph is a straight line; give examples of functions that are not linear. For example, the function A = s^{2} giving the area of a square as a function of its side length is not linear because its graph contains the points (1,1), (2,4) and (3,9), which are not on a straight line.