Functions
8.F.A.2
Scroll Up
- 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^{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.
Scroll Down
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.
39 Lesson(s)
Pay it Forward
8th Grade Math »
Unit: Law and Order: Special Exponents Unit
8th Grade Math »
Unit: Law and Order: Special Exponents Unit
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
Playing with Parabolas - Hands on
8th Grade Math »
Unit: Advanced Equations and Functions
8th Grade Math »
Unit: Advanced Equations and Functions
Linear vs Quadratic (Day 1 of 2)
8th Grade Math »
Unit: Advanced Equations and Functions
8th Grade Math »
Unit: Advanced Equations and Functions
Linear vs Quadratic (Day 2 of 2)
8th Grade Math »
Unit: Advanced Equations and Functions
8th Grade Math »
Unit: Advanced Equations and Functions
What is a Function?
Algebra I »
Unit: Linear & Absolute Value Functions
Algebra I »
Unit: Linear & Absolute Value Functions
Domain and Range
Algebra I »
Unit: Linear & Absolute Value Functions
Algebra I »
Unit: Linear & Absolute Value Functions
Function Notation
Algebra I »
Unit: Linear & Absolute Value Functions
Algebra I »
Unit: Linear & Absolute Value Functions
Big Idea:
Students will analyze the use of function notation when describing what is happening in a function.
Standards:
Favorites
(20)
Resources
(17)
Reflections
(2)
Are you smarter review
8th Grade Math »
Unit: INTERPRETING AND COMPARING LINEAR FUNCTIONS
8th Grade Math »
Unit: INTERPRETING AND COMPARING LINEAR FUNCTIONS
Big Idea:
Are you smarter than an 8th grader? Based on the popular TV series, it's kids vs. a teacher (it could be the music teacher, the English teacher, whomever) in a battle over prowess in 8th grade mathematics.
Favorites
(6)
Resources
(6)
Compare linear relationships I
8th Grade Math »
Unit: INTERPRETING AND COMPARING LINEAR FUNCTIONS
8th Grade Math »
Unit: INTERPRETING AND COMPARING LINEAR FUNCTIONS
Big Idea:
The culmination of this unit! Brings all the skills necessary around slope, connecting real-life situations to linear functions, and then comparing them. Great problem-solving day that requires a ton of logic.
Favorites
(7)
Resources
(13)
Reflections
(1)
Introducing Functions
Algebra I »
Unit: Introduction to Functions
Algebra I »
Unit: Introduction to Functions
Big Idea:
To use the concrete example of (pieces of furniture, room location) to develop deeper student understanding of a function that leads to quantitative examples.
Standards:
Favorites
(13)
Resources
(14)
Reflections
(1)
Slope & Rate of Change
Algebra I »
Unit: Linear & Absolute Value Functions
Algebra I »
Unit: Linear & Absolute Value Functions
Big Idea:
Students will interpret the rate of change in the context of a problem, and use it to make predications about a situation that shows linear growth.
Standards:
Favorites
(20)
Resources
(14)
Reflections
(1)
Find slope in four ways
8th Grade Math »
Unit: INTERPRETING AND COMPARING LINEAR FUNCTIONS
8th Grade Math »
Unit: INTERPRETING AND COMPARING LINEAR FUNCTIONS
Assessment #9 - Linear Functions Unit Assessment
8th Grade Math »
Unit: INTERPRETING AND COMPARING LINEAR FUNCTIONS
8th Grade Math »
Unit: INTERPRETING AND COMPARING LINEAR FUNCTIONS
Compare slopes of functions I
8th Grade Math »
Unit: INTERPRETING AND COMPARING LINEAR FUNCTIONS
8th Grade Math »
Unit: INTERPRETING AND COMPARING LINEAR FUNCTIONS
Common Core Math
Kindergarten
First Grade
Second Grade
Third Grade
Fourth Grade
Fifth Grade
Sixth Grade
Seventh Grade
HS Number & Quantity
HS Algebra
HS Functions
HS Geometry
Kindergarten
First Grade
Second Grade
Third Grade
Fourth Grade
Fifth Grade
Sixth Grade
Seventh Grade
Eighth Grade
Ninth and Tenth Grade
Kindergarten
First grade
Second grade
Third Grade
Fourth grade
Fifth grade
Middle School
Kindergarten
First Grade
Second Grade
Third Grade
Fourth Grade
Fifth Grade
Sixth Grade
Seventh Grade
HS Number & Quantity
HS Algebra
HS Functions
HS Geometry
Kindergarten
First Grade
Second Grade
Third Grade
Fourth Grade
Fifth Grade
Sixth Grade
Seventh Grade
Eighth Grade
Ninth and Tenth Grade
Kindergarten
First grade
Second grade
Third Grade
Fourth grade
Fifth grade
Middle School