## 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
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?

Standards:

Favorites (7)

Resources (16)

8th Grade Math » Unit: SLOPE REVISITED
New York, NY
Environment: Urban

Big Idea:

Standards:

Favorites (3)

Resources (15)

### Slope Intercept Scenarios

8th Grade Math » Unit: Relationships between Quantities/Reasoning with Equations
8th Grade Math » Unit: Relationships between Quantities/Reasoning with Equations
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.

Standards:

Favorites (47)

Resources (11)

8th Grade Math » Unit: SLOPE REVISITED
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?

Standards:

Favorites (1)

Resources (19)

Reflections (1)

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

Big Idea:

Standards:

Favorites (17)

Resources (14)

### 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
Bowling Green, KY
Environment: Suburban

Big Idea:

Standards:

Favorites (4)

Resources (13)

### Day Four & Five

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

Big Idea:

Standards:

Favorites (14)

Resources (8)

Reflections (1)

### Finding Slope from Two Points

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.

Standards:

Favorites (8)

Resources (20)

Reflections (1)

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

Big Idea:

Standards:

Favorites (4)

Resources (13)

### Deriving y = mx + b

Oklahoma City, OK
Environment: Urban

Big Idea:

Standards:

Favorites (5)

Resources (20)

Reflections (1)

### 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
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.

Standards:

Favorites (4)

Resources (13)

Reflections (1)

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

Big Idea:

Standards:

Resources (8)

### Applying Rates of Similar Triangles

Oklahoma City, OK
Environment: Urban

Big Idea:

Standards:

Favorites (8)

Resources (19)

Reflections (1)

### 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
Bowling Green, KY
Environment: Suburban

Big Idea:

Standards:

Resources (10)

Reflections (1)

### BAZINGA! Rates Review Game

Oklahoma City, OK
Environment: Urban

Big Idea:

Standards:

Favorites (1)

Resources (11)

Reflections (1)
Common Core Math