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- 8.EE.B.5Graph proportional relationships, interpreting the unit rate as the slope of the graph. Compare two different proportional relationships represented in different ways. For example, compare a distance-time graph to a distance-time equation to determine which of two moving objects has greater speed.
- 8.EE.B.6Use 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.

8.EE.B.5

Graph proportional relationships, interpreting the unit rate as the slope of the graph. Compare two different proportional relationships represented in different ways. For example, compare a distance-time graph to a distance-time equation to determine which of two moving objects has greater speed.

Determining Unit Rates From Graphs

8th Grade Math

Â» Unit:

It's All About the Rates

Big Idea:Today's Work Time activity provides students additional practice calculating unit rate (and slope) from graphs, many of which include fractional rates.

Slope Intercept Scenarios

8th Grade Math

Â» Unit:

Relationships between Quantities/Reasoning with Equations

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.

Flexible problem solving with scientific notation

8th Grade Math

Â» Unit:

EXPONENTS AND SCIENTIFIC NOTATION

Big Idea:How many times more massive is an elephant compared to an ant?

Graph linear functions while solving for "y" first

8th Grade Math

Â» 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.

Apply properties to general equivalent expressions

8th Grade Math

Â» Unit:

EXPONENTS AND SCIENTIFIC NOTATION

Big Idea:Focus on equivalence! Push kids to use ALL of the properties of exponents together - a great lesson for consolidation, review, and meta-cognitive thinking.

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

8th Grade Math

Â» 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.

Scientific Notation

8th Grade Math

Â» Unit:

EXPONENTS AND SCIENTIFIC NOTATION

Big Idea:Set the foundation with the basics of scientific notation.

Define and determine slope when given points (Part 1)

8th Grade Math

Â» 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.

Are you smarter review

8th Grade Math

Â» 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.

Review exponents and scientific notation

8th Grade Math

Â» Unit:

EXPONENTS AND SCIENTIFIC NOTATION

Big Idea:Consolidate student mastery by providing a day of mixed review and problem-solving.

Movement in Linear Graphs Day 2 of 3

8th Grade Math

Â» Unit:

Linear Equations in two Variables

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

Assessment #9 - Linear Functions Unit Assessment

8th Grade Math

Â» Unit:

INTERPRETING AND COMPARING LINEAR FUNCTIONS

Big Idea:Test time!

Zero and negative exponents

8th Grade Math

Â» Unit:

EXPONENTS AND SCIENTIFIC NOTATION

Big Idea:Use logic to prove the rules of zero and negative exponents. These rules are not made up - they make mathematical sense!

Speed Walking Through Proportional Relationships Day 1 of 2

8th Grade Math

Â» Unit:

Linear Equations in two Variables

Big Idea:Get students up and moving to demonstrate proportional relationships and understand how they relate to linear graphs.

Assessment #11 - Exponents Unit Assessment

8th Grade Math

Â» Unit:

EXPONENTS AND SCIENTIFIC NOTATION

Big Idea:To assess student mastery for the unit on exponents.

8.EE.B.5

Graph proportional relationships, interpreting the unit rate as the slope of the graph. Compare two different proportional relationships represented in different ways. For example, compare a distance-time graph to a distance-time equation to determine which of two moving objects has greater speed.

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.