Unit Plan
CK-12 Foundation

Ck 12: Algebra: Write an Equation Given the Slope and a Point

For Students 8th - 9th
[Free Registration/Login may be required to access all resource tools.] Learn how to write the equation of a line given the slope and any point.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Forms of Linear Equations

For Students 8th - 9th Standards
[Free Registration/Login may be required to access all resource tools.] Learn how to work with linear equations in standard form.
Activity
Other

Hong Kong University of Science and Technology: Augmented Matrix

For Students 9th - 10th Standards
Demonstration of how an augmented matrix is used to solve a system of linear equations.
Activity
Math Medics

S.o.s. Math: Application of Determinant to Systems: Cramer's Rule

For Students 9th - 10th
This lesson explains how the determinant is used for Cramer's Rule.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A rei.c.7 & a rei.d.10: A Linear and Quadratic System

For Teachers 9th - 10th
The purpose of this task is to give students the opportunity to make connections between equations and the geometry of the graphs. Aligns with A-REI.C.7and A-REI.D.10.
Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Math Challenges for Families

For Students 2nd - 8th
Students, teachers, and parents alike will enjoy this challenging math site. It contains a clever brain teaser section plus creative problems related to algebra, geometry, measurement, numbers, statistics, and probability. A Spanish...
Lesson Plan
Other

Metal: Linear Equations Ii [Pdf]

For Teachers 9th - 10th Standards
The resource is a lesson guide that discusses linear equations. Topics include solving simultaneous equations using graphing and algebra, and economic applications.
Activity
Interactive Mathematics

Interactive Mathematics: Matrices and Linear Equations

For Students 9th - 10th Standards
Examples are provided to demonstrate how to use matrices to solve 2x2 and 3x3 matrices. Examples include real world applications and some are interactive.
Whiteboard
ClassFlow

Class Flow: Linear Equations Substitution

For Teachers 9th - 10th Standards
[Free Registration/Login Required] In this Flipchart, students are introduced to linear equations, substitutions, and graphing linear equations on a coordinate grid system.
Unit Plan
Oswego City School District

Regents Exam Prep Center: Metric Conversions and Rates

For Teachers 9th - 10th Standards
Find out all about measurement in this test prep lesson exploring English and metric measurement. Students can compare metric and customary measurements using the conversion charts, assess how much they have learned using the interactive...
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Khan Academy

Khan Academy: Multiple Units Word Problems

For Students 9th - 10th Standards
Solve word problems that contain multiple quantities that are measured in different units. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Handout
Cuemath

Cuemath: Linear Equations in Two Variables

For Students 9th - 10th
A comprehensive guide for learning all about linear equations in two variables with definitions, how to solve them, solved examples, and practice questions.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Special Products of Polynomials

For Students 8th - 9th
[Free Registration/Login may be required to access all resource tools.] Recognize patterns of polynomials that are the product of two binomials.
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Khan Academy

Khan Academy: Two Variable Inequalities Word Problems

For Students 9th - 10th Standards
Solve word problems that involve linear inequalities in two variables. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: A Rei Pythagorean Triples

For Teachers 9th - 10th Standards
This task has two separate goals: the first is to solve a pair of equations, one quadratic and the other linear. The second goal is to observe that a point that lies on a circle gives rise to a Pythagorean triple. Aligns with A-REI.C.7.
Lesson Plan
Alabama Learning Exchange

Alex: Imaginary Numbers? What Do You Mean Imaginary?

For Teachers 9th - 10th
Is it any wonder that students are suspicious? We lead, sometimes drag, them through Algebra I insisting they must follow the order of operations. We make them learn the "hard way" of doing an assignment one day only to show them the...
Activity
Texas Instruments

Texas Instruments: Inequalities, They Are Not Just Linear Anymore!

For Teachers 9th - 10th Standards
Students study quadratic relationships and explore the process of graphing quadratic inequalities and systems of quadratic inequalities. They will solve these inequalities algebraically and graph them on a coordinate plane.
Website
National Council of Teachers of Mathematics

The Math Forum: Famous Problems in the History of Mathematics

For Students 9th - 10th
On this site, there are several math problems to explore and solve. Look through some solutions by famous mathematicians and expand your thinking about some interesting math concepts. Teachers of elementary grades may want to use this...
Activity
Cool Math

Coolmath: Cramer's Rule for 3x3's

For Students 6th - 9th
Use this tutorial to learn how Cramer's Rule works for 3 x 3.
Activity
Ministry of Education and Universities of the Region of Murcia (Spain)

Ministerio De Educacion Y Ciencia: Ecuaciones Y Sistemas De Ecuaciones

For Students 9th - 10th Standards
In Spanish. Practice how to solve system of equations graphically with this interactive activity.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Zero, Negative, and Fractional Exponents

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] This lesson covers how to simplify negative and zero exponents.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Comparing Equations of Parallel and Perpendicular Lines

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Use their slopes to determine if two lines are parallel or perpendicular.
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Khan Academy

Khan Academy: Interpret Equations Graphically

For Students 9th - 10th Standards
Practice the connection between the graphical representation of equations and their algebraic solutions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Unit Plan
TeachEngineering

Teach Engineering: Hybrid Vehicle Design Challenge

For Teachers 9th - 10th
This module is written for a first-year algebra-based physics class, though it could easily be modified for conceptual physics. It is intended to provide hands-on activities to teach the overarching concept of energy, as it relates to...