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MY CONTENT

Lessons (141)

Lessons (141)

8th Grade Math

(13 Units, 141 Lessons)

Unit 4 - INTERPRETING AND COMPARING LINEAR FUNCTIONS (20 Lessons)

Define and graph linear functions

8th Grade Math

» Unit:

INTERPRETING AND COMPARING LINEAR FUNCTIONS

Big Idea:What the heck is a line, anyway? How does the equation relate to its graph? Students get introduced to the concept of a linear function.

17 Resources

22 Favorites

17 Resources

22 Favorites

Graph linear functions while solving for "y" first

8th Grade Math

» Unit:

INTERPRETING AND COMPARING LINEAR FUNCTIONS

Big Idea:What should we do if we encounter an equation that - gasp! -- does not have y isolated? Kids learn how to manipulate the equation into slope-intercept form, without using that vocabulary... yet.

13 Resources

17 Favorites

13 Resources

17 Favorites

Determine if a given point is a solution to a linear function

8th Grade Math

» Unit:

INTERPRETING AND COMPARING LINEAR FUNCTIONS

Big Idea:Is the kid "on the line" or not? :)
Get kids to figure out whether a given point is a solution to a linear function by defining what a solution is -- namely, an ordered pair that makes the function true.

13 Resources

11 Favorites

13 Resources

11 Favorites

Define and determine slope when given points (Part 1)

8th Grade Math

» Unit:

INTERPRETING AND COMPARING LINEAR FUNCTIONS

Big Idea:Ah, good ol' rise over run - forever a classic. Introduce students to the concept of slope in this introductory lesson.

13 Resources

25 Favorites

13 Resources

25 Favorites

Define and determine slope when given points (Part 2)

8th Grade Math

» Unit:

INTERPRETING AND COMPARING LINEAR FUNCTIONS

Big Idea:How do I find the slope when I don't have a graph? Is there a different way to find rise over run? Another good ol' classic -- the slope formula.

14 Resources

13 Favorites

14 Resources

13 Favorites

Slope-intercept Form

8th Grade Math

» Unit:

INTERPRETING AND COMPARING LINEAR FUNCTIONS

Big Idea:y = mx + b. The big ideas in 8th grade math don't get much bigger than this one. :) If I could make the font size in this section 1000 point, I would. This is HUGE!

13 Resources

23 Favorites

13 Resources

23 Favorites

Determine slope and intercept from an equation

8th Grade Math

» Unit:

INTERPRETING AND COMPARING LINEAR FUNCTIONS

Big Idea:Y has been a very, very bad boy. :) Isolate him so that we can figure out the slope and intercept.

14 Resources

8 Favorites

14 Resources

8 Favorites

Big ideas about "m" and "b"

8th Grade Math

» Unit:

INTERPRETING AND COMPARING LINEAR FUNCTIONS

Big Idea:Get kids to think big. Illustrate some enduring understandings about how changing m and b change a linear function... and then link this to some real-life examples.

13 Resources

8 Favorites

13 Resources

8 Favorites

Find slope in four ways

8th Grade Math

» Unit:

INTERPRETING AND COMPARING LINEAR FUNCTIONS

Big Idea:The slope only has 4 hiding places... figure out which strategy to use when.
Bring it all together... consolidate finding slope from a graph, from a table, from points, and from an equation.

18 Resources

23 Favorites

18 Resources

23 Favorites

Write slope-intercept equations given point and slope

8th Grade Math

» Unit:

INTERPRETING AND COMPARING LINEAR FUNCTIONS

Big Idea:You know the slope, and you have a point... can you figure out the y-intercept?

13 Resources

6 Favorites

13 Resources

6 Favorites

Write slope-intercept equations given two points

8th Grade Math

» Unit:

INTERPRETING AND COMPARING LINEAR FUNCTIONS

Big Idea:Now, you only know two points. Can you figure out the entire slope-intercept form of the line that passes through these two points?

11 Resources

7 Favorites

11 Resources

7 Favorites

Compare slopes of functions I

8th Grade Math

» Unit:

INTERPRETING AND COMPARING LINEAR FUNCTIONS

Big Idea:A HUGE Common Core Standard - compare rates of change across linear functions represented in different ways. Students compare slopes of graphs, tables, equations, points, and concrete examples.

15 Resources

16 Favorites

15 Resources

16 Favorites

Compare slopes of functions II

8th Grade Math

» Unit:

INTERPRETING AND COMPARING LINEAR FUNCTIONS

Big Idea:Logic rules! Students apply everything they know about linear functions to solve problems flexibly. This is a lesson that brings a lot of different standards together, and pushes kids to be flexible and logical in their thinking.

16 Resources

5 Favorites

16 Resources

5 Favorites

Construct functions to model linear relationships I

8th Grade Math

» Unit:

INTERPRETING AND COMPARING LINEAR FUNCTIONS

Big Idea:Math is life! Over the course of 4 days, students construct linear functions to model real-life situations... ordering T-shirts, taking cabs, visiting carnivals, and many other contexts.

14 Resources

8 Favorites

14 Resources

8 Favorites

Construct functions to model linear relationships II

8th Grade Math

» Unit:

INTERPRETING AND COMPARING LINEAR FUNCTIONS

Big Idea:What if the problem doesn't tell you the initial value? Can you still construct a function that models a linear relationship?

11 Resources

2 Favorites

11 Resources

2 Favorites

Construct functions III

8th Grade Math

» Unit:

INTERPRETING AND COMPARING LINEAR FUNCTIONS

Big Idea:Push kids to really interpret the meaning of slope and initial value in real-life contexts. This is tricky stuff, so kids need lots of practice.

13 Resources

2 Favorites

13 Resources

2 Favorites

Construct functions IV

8th Grade Math

» Unit:

INTERPRETING AND COMPARING LINEAR FUNCTIONS

Big Idea:The trickiest day of constructing functions - kids have to see data in a problem as points on a line. Requires some very high-order thinking!

13 Resources

2 Favorites

13 Resources

2 Favorites

Compare linear relationships I

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.

13 Resources

10 Favorites

13 Resources

10 Favorites

Are you smarter review

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.

6 Resources

6 Favorites

6 Resources

6 Favorites

Assessment #9 - Linear Functions Unit Assessment

8th Grade Math

» Unit:

INTERPRETING AND COMPARING LINEAR FUNCTIONS

Big Idea:Test time!

12 Resources

9 Favorites

12 Resources

9 Favorites