8.EE.B.6

Use similar triangles to explain why the slope m is the same between any two distinct points on a non-vertical line in the coordinate plane; derive the equation y =mx for a line through the origin and the equation y = mx + b for a line intercepting the vertical axis at b.

 
19 Lesson(s)
   

Missing coordinates given slope

8th Grade Math » Unit: SLOPE REVISITED
8th Grade Math » Unit: SLOPE REVISITED
Jeff Li MTP
New York, NY
Environment: Urban
 
Big Idea:

You've found slope before, given two points. But what if I gave you one point and the slope? Could you find the other point?

 
Favorites (7)
 
Resources (16)
10 2 image missing coordinates given slope 2 resized
   

Determine missing coordinates given points

8th Grade Math » Unit: SLOPE REVISITED
8th Grade Math » Unit: SLOPE REVISITED
Jeff Li MTP
New York, NY
Environment: Urban
 
Big Idea:

You've found slope before, given two points. But what if I gave you one point and the slope? Could you find the other point?

 
Favorites (2)
 
Resources (15)
image 10 3 cropped
   

Slope Intercept Scenarios

8th Grade Math » Unit: Relationships between Quantities/Reasoning with Equations
8th Grade Math » Unit: Relationships between Quantities/Reasoning with Equations
Mauricio Beltre
Orlando, FL
Environment: Urban
 
Big Idea:

Real world situations like cell phone plan situations, savings accounts, or car rental scenarios can be modeled with linear equations in order to make predictions.

 
Favorites (41)
 
Resources (11)
image slopeinterceptform
   

Determine missing coordinates given slope

8th Grade Math » Unit: SLOPE REVISITED
8th Grade Math » Unit: SLOPE REVISITED
Jeff Li MTP
New York, NY
Environment: Urban
 
Big Idea:

You've found slope before, given two points. But what if I gave you one point and the slope? Could you find the other point?

 
Resources (19)
 
Reflections (1)
10 1 image missing coordinates given slope 1 resized
   

Applying Similar Triangles to Finding the Slope of a Linear Equation

8th Grade Math » Unit: Linear Equations in two Variables
8th Grade Math » Unit: Linear Equations in two Variables
Christa  Lemily
Bowling Green, KY
Environment: Suburban
 
Big Idea:

Bring your 8th grade year full circle and make connections between many focus standards all in two days!

 
Favorites (10)
 
Resources (14)
applying similar triangles to finding slope of linear equations
   

Movement in Linear Graphs Day 2 of 3

8th Grade Math » Unit: Linear Equations in two Variables
8th Grade Math » Unit: Linear Equations in two Variables
Christa  Lemily
Bowling Green, KY
Environment: Suburban
 
Big Idea:

Let's move proportionally along a human graph and create a multi-media experience for students to see slope and linear graphs.

 
Favorites (3)
 
Resources (13)
movement in linear graphs lesson image
   

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
   

Applying Similar Triangles to Finding the Slope of a LInear Equation Concluded

8th Grade Math » Unit: Linear Equations in two Variables
8th Grade Math » Unit: Linear Equations in two Variables
Christa  Lemily
Bowling Green, KY
Environment: Suburban
 
Big Idea:

Students take ownership and bring their 8th grade year full circle then present their ideas to the class.

 
Favorites (1)
 
Resources (13)
applying similar triangles to slope activity image day 2
   

Finding Slope from Two Points

8th Grade Math » Unit: It's All About the Rates
8th Grade Math » Unit: It's All About the Rates
Heather Sparks
Oklahoma City, OK
Environment: Urban
 
Big Idea:

In this lesson, students build upon their understanding of slope by deriving the slope formula and then applying it.

 
Favorites (6)
 
Resources (20)
 
Reflections (1)
fdb2p pic
   

Deriving y = mx + b

8th Grade Math » Unit: It's All About the Rates
8th Grade Math » Unit: It's All About the Rates
Heather Sparks
Oklahoma City, OK
Environment: Urban
 
Big Idea:

Students learn where the slope-intercept equation of a line comes from through a series of interactive activities.

 
Favorites (3)
 
Resources (20)
 
Reflections (1)
y mx b foldable
   

Applying Similar Triangles to Finding the Slope of a LInear Equation Concluded

8th Grade Math » Unit: Linear Equations in two Variables
8th Grade Math » Unit: Linear Equations in two Variables
Christa  Lemily
Bowling Green, KY
Environment: Suburban
 
Big Idea:

Students take ownership and bring their 8th grade year full circle then present their ideas to the class.

Standards:
 
Resources (8)
studnets share ideas from similar triangles activity
   

Movement In Linear Graphs Day 1 of 3

8th Grade Math » Unit: Linear Equations in two Variables
8th Grade Math » Unit: Linear Equations in two Variables
Christa  Lemily
Bowling Green, KY
Environment: Suburban
 
Big Idea:

Let's move proportionally along a human graph and create a multi-media experience for students to see slope and linear graphs.

 
Favorites (3)
 
Resources (13)
 
Reflections (1)
movement in linear graphs lesson image
   

Applying Rates of Similar Triangles

8th Grade Math » Unit: It's All About the Rates
8th Grade Math » Unit: It's All About the Rates
Heather Sparks
Oklahoma City, OK
Environment: Urban
 
Big Idea:

Through an exploration task and an application exercise, students will learn how similar triangles relate to slope and proportional reasoning.

 
Favorites (5)
 
Resources (19)
 
Reflections (1)
slope triangles pic
   

Movement in Linear Graphs day 3 of 3

8th Grade Math » Unit: Linear Equations in two Variables
8th Grade Math » Unit: Linear Equations in two Variables
Christa  Lemily
Bowling Green, KY
Environment: Suburban
 
Big Idea:

Let's move proportionally along a human graph and create a multi-media experience for students to see slope and linear graphs.

 
Resources (10)
 
Reflections (1)
movement in linear graphs lesson image
   

BAZINGA! Rates Review Game

8th Grade Math » Unit: It's All About the Rates
8th Grade Math » Unit: It's All About the Rates
Heather Sparks
Oklahoma City, OK
Environment: Urban
 
Big Idea:

Groups of students compete with others in this engaging review game that touches on all topics from the rates unit.

 
Resources (11)
 
Reflections (1)
bazinga
Common Core Math
 
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