Lesson Plan
Curated OER

Exploring Geometric Figures

For Teachers 10th
Tenth graders explore mathematics by participating in hands-on daily activities. Learners identify a list of different shapes and classify them by shape, size, sides and vertices. They utilize tangrams and geometric pieces to gain...
Lesson Plan
Curated OER

Human Coordinate Plane

For Teachers 8th
Eighth graders form a human coordinate grid to develop knowledge of the placement and meaning of coordinates on a grid. They experience the placements of the x and y coordinates in an ordered pair.
Worksheet
Curated OER

Linear Functions

For Students 8th - 10th
In this linear functions worksheet, students define 5 terms. They solve 6 problems for the specified term. Students graph 3 linear equations. They write the equations for 14 problems using the given information. There are 28 problems in...
Lesson Plan
Curated OER

New Angle on Forest Ecology

For Teachers 7th - 12th
Young scholars measure and calculate the angle of the sun. They compare the leaf types on the north and south to compare the effects of the sun on the type of vegetation. They complete the activities inside the classroom or on a trip to...
Lesson Plan
Curated OER

Linear and Quadratic Functions

For Teachers 11th
For this algebra worksheet, 11th graders solve quadratic functions using the quadratic formula. They take the square roots of both side of each equation then graph both the linear and quadratic functions. There are a total of 84 problems...
Worksheet
Curated OER

Writing Linear Equations

For Students 11th - 12th
In this algebra instructional activity,students solve linear equations and graph their answers on a number line. There are 24 questions with an answer key.
Lesson Plan
Curated OER

Which Quadrilateral Is It?

For Teachers 9th - 12th
Students prove conjectures about geometric figures on the plane or in space using coordinate geometry. They develop fluency in operations with real numbers, vectors and matrices using mental computation or paper-and-pencil calculations...
Lesson Plan
Curated OER

Graphing Linear Equations

For Teachers 9th
Ninth graders develop an understanding of and the applications for linear equations and their graphical displays. They participate in a cooperative learning activity of matching a graphic display with an equation.
Lesson Plan
Curated OER

Exploring Linear Equations

For Teachers 3rd
Third graders use graphing calculators to graph equations. They make visual models of algebraic expressions and they can readily see that an equation represents something.
Lesson Plan
Curated OER

Algebra I - Test

For Teachers 7th - 8th
Students participate in a lesson that reviews the concept of linear functions in connection with preparation for an exam. The teacher reviews problems with the students for scaffolding. Students practice graphing linear functions.
Worksheet
Curated OER

Geometry Regents Bimodal

For Students 9th - 10th
In this geometry worksheet, students solve problems that are bimodal. They define properties of circles and triangles. There are 117 questions.
Lesson Plan
Curated OER

A Perpendicular Pilgrimage

For Teachers 9th
Ninth graders design a safe passage through a 2-D obstacle. In this geometric math lesson, 9th graders engage in a hands on activity to better understand the concept of geometric and algebraic perpendicularity. Students will work in...
Lesson Plan
Curated OER

Choosing a Summer Job

For Teachers 7th - 9th Standards
What did you do over your summer vacation. Young wage earners must compare summer job options, and determine when each job earn the same amount and what that amount be. This be done by creating, graphing, and solving systems of...
Worksheet
Curated OER

Chapter 2 Practice Test

For Students 8th - 11th
In this algebra worksheet, students examine and graph linear equation, inequalities, and absolute value inequalities in two variables.  The three page worksheet contains forty-six problems.  Answers are not included. 
Interactive
Curated OER

SAT Problem Solving Practice Test 09

For Students 10th - 12th
In this problem solving worksheet, students solve problems involving similar figures, polynomials, integers, and exponents.  This one-page worksheet contains ten multiple-choice worksheets.  Students may submit this online...
Worksheet
Curated OER

Evaluating Simple Probabilities

For Students 9th - 11th
For this Statistics and Probability worksheet, students solve problems involving simple probability.  The one page worksheet contains five multiple choice questions.  Answers are provided.
Lesson Plan
Curated OER

2 X 2 Linear Systems

For Teachers 7th - 9th
Students solve 2 X 2 systems using graphing and algebraic methods.
Worksheet
Curated OER

Quadratic and Linear Functions

For Students 11th
In this Algebra II instructional activity, 11th graders review and apply the basic concepts for solving linear and quadratic equation. The one page instructional activity contains twelve problems. Solutions are not provided. 
eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 10.4 Slope of Parallel and Perpendicular Lines

For Students 9th - 10th Standards
Understand how to find the slope of parallel and perpendicular lines.
Unit Plan
Lawrence Hall of Science

The Math Page: Skill in Algebra: The Slope of a Straight Line

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains many topics surrounding the slope of a line, including slope of horizontal, vertical, parallel, and perpendicular lines in addition to the formula and concept of slope. There are...
Unit Plan
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Standard Form of a Line

For Students 9th - 10th Standards
Dr. Math gives an inspiring and clear discussion about equations of lines and lines as functions. The Dr. discusses the benefits of the standard form of a line and prompts the student with an equation which can not be written in the...
Activity
Texas Instruments

Texas Instruments: Investigating the Slopes of Parallel and Perpendicular Lines

For Teachers 9th - 10th Standards
In this activity, students investigate how equations of parallel and perpendicular lines relate to each other. They use the drawing and measurement tools of Cabri Jr. to explore the slopes of lines. [Requires Adobe Reader.]
Activity
Lawrence Hall of Science

The Math Page: Topics in Pre Calculus: The Slope of a Straight Line

For Students 9th - 10th
Here is a site that clearly and thoroughly explains the slope of a line. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out to students who have been absent or...
Handout
CK-12 Foundation

Ck 12: Algebra: Determining the Equation of a Line

For Students 9th - 10th Standards
This comprehensive study guide highlights the main terms and formulas needed to determine the equation of a line. Examples are included.