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Pennies Lab Introduction to Systems of Equations Day 1 of 2

8th Grade Math

» Unit:

Solving Simultaneous Linear Equations

Big Idea:Introduce systems of equations with a lab that keeps them guessing and engaged with a real world challenge.

Unit Project: The Tortoise and the Hare Day 1 of 2

8th Grade Math

» Unit:

Solving Simultaneous Linear Equations

Big Idea:Use systems of equations to cross discipline with ELA and art to develop a unique unit project that is rigorous and fun!

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.

Elimination 1 - add or subtract only

8th Grade Math

» Unit:

SYSTEMS OF LINEAR EQUATIONS

Big Idea:Why does elimination work? Use sensitive nieces, peppermint bark, and gingerbread men to illustrate this mathematical concept.

Solving Systems by Graphing

Algebra I

» Unit:

Systems of Equations

Big Idea:As students gain confidence in graphing - and interpreting the intersection points on - systems of equations, we continue to see how this skill relates to guess and check.

Baseball Helmets Day 1 of 2

8th Grade Math

» Unit:

Solving Simultaneous Linear Equations

Big Idea:Connect solving systems of equations to real life baseball helmets and reading tables to find the equations for solving by substitution.

Elimination 4 - multiply one equation only

8th Grade Math

» Unit:

SYSTEMS OF LINEAR EQUATIONS

Big Idea:More practice! Get kids fluent in solving systems using elimination... and push them to begin thinking about which method works best in different situations.

Systems and Parallel Lines

8th Grade Math

» Unit:

Systems of Linear Equations

Big Idea:Systems having 0, 1, or infinitely many solutions correspond to lines not intersecting, intersecting once, or being coincident.

Organizing a List and Guess & Check

Algebra I

» Unit:

Systems of Equations

Big Idea:In order for guessing and checking to be useful and efficient, it’s important to have an idea of how to organize a list of possibilities.

What's In an Intersection?

Algebra I

» Unit:

Systems of Equations

Big Idea:The "closeness" of one graph to another matches the accuracy of a guess and a check.

Mastery Session: MP1, 5.1, and 5.2

Algebra I

» Unit:

Systems of Equations

Big Idea:When students are given time to work at their own pace, without the pressure of a "quiz," they can make the most of an opportunity to show what they can do.

Unit Project: The Tortoise and the Hare Day 2 of 2

8th Grade Math

» Unit:

Solving Simultaneous Linear Equations

Big Idea:Use systems of equations to cross discipline with ELA and art to develop a unique unit project that is rigorous and fun!

Choose the best method to solve systems of equations

8th Grade Math

» Unit:

SYSTEMS OF LINEAR EQUATIONS

Big Idea:Choose wisely, my friend. Get kids to get meta about which method to use when solving systems of linear equations.

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.

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.