8.F.B.5

Describe qualitatively the functional relationship between two quantities by analyzing a graph (e.g., where the function is increasing or decreasing, linear or nonlinear). Sketch a graph that exhibits the qualitative features of a function that has been described verbally.

 
53 Lesson(s)
   

Introducing Function Graphs: Day 1 of 3

8th Grade Math » Unit: Functions
8th Grade Math » Unit: Functions
Christa  Lemily
Bowling Green, KY
Environment: Suburban
 
Big Idea:

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

 
Favorites (16)
 
Resources (16)
introducing function graphs lesson image
   

Pay it Forward

8th Grade Math » Unit: Law and Order: Special Exponents Unit
8th Grade Math » Unit: Law and Order: Special Exponents Unit
Shaun Errichiello
New York, NY
Environment: Urban
 
Big Idea:

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

 
Favorites (47)
 
Resources (7)
payitforward1
   

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

8th Grade Math » Unit: The Fabulous World of Functions
8th Grade Math » Unit: The Fabulous World of Functions
Heather Sparks
Oklahoma City, OK
Environment: Urban
 
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.

 
Favorites (20)
 
Resources (21)
 
Reflections (2)
rule of 5 cropped
   

Sketch Graphs I

8th Grade Math » Unit: INTRODUCTION TO FUNCTIONS
8th Grade Math » Unit: INTRODUCTION TO FUNCTIONS
Jeff Li MTP
New York, NY
Environment: Urban
 
Big Idea:

Use an engaging video to get kids to connect a verbal description with a concrete application and an abstract representation. It's a pretty cool video - check it out.

 
Favorites (19)
 
Resources (13)
3 4 image mory video
   

Linear vs Quadratic (Day 1 of 2)

8th Grade Math » Unit: Advanced Equations and Functions
8th Grade Math » Unit: Advanced Equations and Functions
Mauricio Beltre
Orlando, FL
Environment: Urban
 
Big Idea:

Linear and Quadratic functions can be used to model real world problems.

 
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Resources (10)
image linear vs quad
   

Right Hand/Left Hand

8th Grade Math » Unit: The Fabulous World of Functions
8th Grade Math » Unit: The Fabulous World of Functions
Heather Sparks
Oklahoma City, OK
Environment: Urban
 
Big Idea:

In this engaging activity, students perform a simple repetitive task with first their dominant hand, then non-dominant hand. They then create a scatter plot of the data and determine the correlation.

 
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Resources (14)
 
Reflections (1)
right hand left hand pic
   

Linear vs Quadratic (Day 2 of 2)

8th Grade Math » Unit: Advanced Equations and Functions
8th Grade Math » Unit: Advanced Equations and Functions
Mauricio Beltre
Orlando, FL
Environment: Urban
 
Big Idea:

Students compare functions by computing first and second differences of output values and analyzing graphs.

 
Favorites (4)
 
Resources (15)
 
Reflections (1)
image linear vs quadratic day2
   

Using Points to Determine the Shape of a Graph

Algebra I » Unit: Linear and Exponential Functions
Algebra I » Unit: Linear and Exponential Functions
James Dunseith
Worcester, MA
Environment: Urban
 
Big Idea:

In order to get a broad picture of functions and their graphs, we go a bit beyond just the linear and exponential functions that are the foci of this unit.

 
Resources (8)
u4 l9 opener notes
   

Domain and Range

Algebra I » Unit: Linear & Absolute Value Functions
Algebra I » Unit: Linear & Absolute Value Functions
Noelani Davis
Washington, DC
Environment: Urban
 
Big Idea:

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

 
Favorites (18)
 
Resources (19)
 
Reflections (2)
domain range
   

The Biggest Possible Area

8th Grade Math » Unit: Advanced Equations and Functions
8th Grade Math » Unit: Advanced Equations and Functions
Mauricio Beltre
Orlando, FL
Environment: Urban
 
Big Idea:

Students investigate how area changes as a function of length by designing a backyard garden.

 
Resources (13)
 
Reflections (1)
image biggest possible area
   

Day Four & Five

8th Grade Math » Unit: Welcome Back!
8th Grade Math » Unit: Welcome Back!
Heather Sparks
Oklahoma City, OK
Environment: Urban
 
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.

 
Favorites (12)
 
Resources (8)
 
Reflections (1)
graph
   

Describe Functions

8th Grade Math » Unit: INTRODUCTION TO FUNCTIONS
8th Grade Math » Unit: INTRODUCTION TO FUNCTIONS
Jeff Li MTP
New York, NY
Environment: Urban
 
Big Idea:

What does the shape of a function - without numbers - tell you about what is going on?

 
Favorites (15)
 
Resources (15)
 
Reflections (1)
3 2 image
   

Writing Function Rules

8th Grade Math » Unit: The Fabulous World of Functions
8th Grade Math » Unit: The Fabulous World of Functions
Heather Sparks
Oklahoma City, OK
Environment: Urban
 
Big Idea:

Building on "What's My Rule", today's lesson gives context to the numbers and applies them to real life situations.

 
Favorites (6)
 
Resources (15)
 
Reflections (1)
function rule
   

Sketch Graphs II

8th Grade Math » Unit: INTRODUCTION TO FUNCTIONS
8th Grade Math » Unit: INTRODUCTION TO FUNCTIONS
Jeff Li MTP
New York, NY
Environment: Urban
 
Big Idea:

Sketching Tricky Graphs - how does the shape of the container affect a graph?

 
Favorites (3)
 
Resources (11)
3 5 image
   

Introducing Function Graphs Continued: Day 2 of 4

8th Grade Math » Unit: Functions
8th Grade Math » Unit: Functions
Christa  Lemily
Bowling Green, KY
Environment: Suburban
 
Big Idea:

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

 
Favorites (1)
 
Resources (15)
 
Reflections (2)
introducing function graphs lesson image
Common Core Math
 
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