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- 8.EE.C.8aUnderstand that solutions to a system of two linear equations in two variables correspond to points of intersection of their graphs, because points of intersection satisfy both equations simultaneously.
- 8.EE.C.8bSolve systems of two linear equations in two variables algebraically, and estimate solutions by graphing the equations. Solve simple cases by inspection. For example, 3x + 2y = 5 and 3x + 2y = 6 have no solution because 3x + 2y cannot simultaneously be 5 and 6.
- 8.EE.C.8cSolve real-world and mathematical problems leading to two linear equations in two variables. For example, given coordinates for two pairs of points, determine whether the line through the first pair of points intersects the line through the second pair.

Systems Assessment 1: Scavenger Hunt

8th Grade Math

» Unit:

Systems of Linear Equations

Big Idea:Students move about in a scavenger hunt, solving systems using different algebraic methods.

Stacking Cups: Systems of Equations Real World Application

Algebra I

» Unit:

Systems of Linear Equations

Big Idea:Students use data to create equations describing a concrete scenario. Students analyze the equations as a system to solve a problem.

Systems Assessment 2: Mastery Test

8th Grade Math

» Unit:

Systems of Linear Equations

Big Idea:Assess what students have learned about systems, and find where they may still need help conceptually.

Going Mobile?

8th Grade Math

» Unit:

Systems of Linear Equations

Big Idea:Is the desktop computer going to disappear? Will laptops and pads take over? Students use a system of equations to make predictions.

Counterfeit Coins

8th Grade Math

» Unit:

Systems of Linear Equations

Big Idea:Students figure out how one pirate uses systems of equations to solve a couple of treasure dilemmas.

Mixed Review of Systems of Equations

8th Grade Math

» Unit:

SYSTEMS OF LINEAR EQUATIONS

Big Idea:Consolidate and review! I love this lesson because it has so many different ways of asking about systems of linear equations.

Real-life Systems 1

8th Grade Math

» Unit:

SYSTEMS OF LINEAR EQUATIONS

Big Idea:How can we use systems of linear equations in real-life systems? Get kids to understand the "break-even" point and apply algebra to the real world.

Real-life Systems 3 - Easy Price

8th Grade Math

» Unit:

SYSTEMS OF LINEAR EQUATIONS

Big Idea:Introduce students to the idea of using the concept of systems to solve situations with two unknowns. Confidence builder!

Real-life Systems 5 - Price-Sum Plus One Other

8th Grade Math

» Unit:

SYSTEMS OF LINEAR EQUATIONS

Big Idea:Get deep into algebraic thinking by solving problems that aren't so straightforward. A tricky one pushes kids to think algebraically.

Solving Systems by Addition

8th Grade Math

» Unit:

Systems of Linear Equations

Big Idea:Knowing that the sum of the left and right sides of two different equations are equal, is key to solving certain systems, and later, many real world problems.

Assessment #9

8th Grade Math

» Unit:

SYSTEMS OF LINEAR EQUATIONS

Big Idea:Mid-unit test! Catch misconceptions before moving too far into this systems unit...

Solve systems of linear equations by graphing - with some real-life applications

8th Grade Math

» Unit:

SYSTEMS OF LINEAR EQUATIONS

Big Idea:Systems of linear equations can be used to solve real-life problems!

Creating your own Systems of Equations

8th Grade Math

» Unit:

Systems of Linear Equations

Big Idea:Designing problems and applying learned skills in different real world contexts fosters higher order thinking.

Skeleton Towers

8th Grade Math

» Unit:

Math Exploratorium

Big Idea:Figurate Numbers

Sharing Equations (Day 1)

8th Grade Math

» Unit:

Systems of Linear Equations

Big Idea:Many real world circumstances can be represented by a pair of equations whose solution or approximate solution can be found graphically.

8.EE.C.8a

Understand that solutions to a system of two linear equations in two variables correspond to points of intersection of their graphs, because points of intersection satisfy both equations simultaneously.

8.EE.C.8b

Solve systems of two linear equations in two variables algebraically, and estimate solutions by graphing the equations. Solve simple cases by inspection. For example, 3x + 2y = 5 and 3x + 2y = 6 have no solution because 3x + 2y cannot simultaneously be 5 and 6.

8.EE.C.8c

Solve real-world and mathematical problems leading to two linear equations in two variables. For example, given coordinates for two pairs of points, determine whether the line through the first pair of points intersects the line through the second pair.