+
Lesson Plan
Curated OER

Investigating Segments in a Triangle

For Teachers 9th - 12th Standards
Pupils investigate segments in a triangle by constructing a triangle using Cabri Jr. They construct segments within the triangle that lie on the midpoints of the triangle's sides. Learners then compare the slope of base of the triangle...
+
Worksheet
Curated OER

Parallel and Perpendicular Lines

For Students 9th - 10th
In this algebra/geometry instructional activity, students investigate the slopes and equations of parallel and perpendicular lines.  The two page instructional activity contains a combination of eleven multiple choice and free...
+
Worksheet
Curated OER

The Slope of Parallel and Perpendicular Lines

For Students 9th - 11th
In this Algebra I/Algebra II worksheet, students examine slope to determine if the given lines are parallel or perpendicular.  Students determine the equation of lines that are either parallel or perpendicular to the given...
+
Worksheet
Curated OER

Aurora to Magnetosphere Global Exploration

For Students 9th - 11th
In this magnetosphere global exploration worksheet, learners read about the instrument on board a satellite launched by NASA called the Radio Plasma Imager. This imager detects echoes from plasma clouds. Students calculate the distance...
+
Worksheet
Curated OER

Matrices and Transformations

For Students 10th - 12th Standards
In this matrix worksheet, learners explore and solve problems with matrices by addition, subtraction, multiplication and using linear equations. There are 28 problems with some answers.
+
Lesson Plan
Curated OER

Circles

For Teachers 10th
Tenth graders explore and define the radius and diameter of a circle. In this geometry lesson, 10th graders calculate the circumference and area of a circle using real world objects and shapes. They discuss chords and lines tangent...
+
Unit Plan
Curated OER

Density - To Float or Not to Float? That is the Question!

For Teachers 8th
Students investigate how to find the density of fluids and solids using math. Students also learn how to find the density of regular and irregular shaped objects.
+
Worksheet
Curated OER

Solving Equations Using More than One Operation

For Students 8th - 10th
For this algebra worksheet, students solve equations using addition, subtraction, multiplication and division. They solve word problems using equations. There are 5 questions with an answer key.
+
Lesson Plan
Curated OER

Applications Of Rational Functions

For Teachers 9th - 12th
Students engage in a instructional activity that is about relational functions with the application of methods to real life problem situations. They use the examples found in the instructional activity for the purpose of practice during...
+
Lesson Plan
Curated OER

The football and Braking Distance; Model Data with Quadratic Functions

For Teachers 8th - 10th
Students use the quadratic formula to solve application problems. The first problem relates to the path of a football thrown from the top of the bleachers. Students compute the time it will take the football to reach certain heights. In...
+
Lesson Plan
Curated OER

Model Data with Quadratic Functions

For Teachers 8th - 11th
Students model data using quadratic equations. In this algebra lesson plan, students simplify and factor quadratic equations. They graph the function using collected data and analyze the parabola.
+
Lesson Plan
Curated OER

Patterns, Functions & Algebra

For Teachers 7th - 10th
Students participate in numerous activities and games. In pairs, they play card games to find relationships between a random set of playing cards. After writing samples of Dear Abby letters concerning math problems, students create a...
+
Lesson Plan
Curated OER

Equilateral Triangles

For Teachers 4th - 5th
Young scholars examine the attribute of equilateral triangles. In this equilateral triangle lesson plan, students examine a number of paper triangles to determine how they are classified. They determine how triangles are depicted in...
+
Lesson Plan
Curated OER

Adding in Parts

For Teachers 3rd
Third graders are able to split whole numbers into parts. They make numbers up to a tidy number. Students add and subtract tenths to make a decimals number into a whole number. They are able to add whole numbers up to three digits.
+
Lesson Plan
Curated OER

Adding and subtracting fractions: the same sized slice

For Teachers 3rd - 5th
Students establish a strategy for adding simple fractions. They convert improper fractions to mixed numbers and interpret drawings and storyboards.
+
Worksheet
Curated OER

Multiplying and Dividing Rational Expressions

For Students 8th - 9th
In this algebra worksheet, students simplify rational expressions. They multiply and divide to solve the expressions. There are 9 questions.
+
Lesson Plan
Curated OER

Similarity and Congruence

For Teachers 9th - 12th
Young scholars explore the concept of similarity and congruence. In this similarity and congruence lesson, students cut out strips of paper and form a triangle. Young scholars try to prove that their triangles are congruent using the SSS...
+
Worksheet
Curated OER

Analytic Geometry-Good Problems from Alex Pintilie

For Students 10th - 12th
In this analytic geometry worksheet, students solve 12 word problems. Problems cover identifying the locus of an equation as well as the locus.
+
Lesson Plan
Curated OER

Visualizing Integers

For Teachers 9th - 10th
Students create visuals on the TI Calculator to solve problems. For this algebra lesson, students perform basic operations with integers. They add, subtract, multiply and divide.
+
Lesson Plan
Curated OER

Using Density to Identify Wood Types

For Teachers 7th - 8th
Young scholars identify different woods based on their density. In this density instructional activity, students use a triple beam balance to find the mass and a metric ruler for the volume. They look through various wood blocks and...
+
Lesson Plan
Curated OER

Triangle Puzzler

For Teachers 5th - 8th
Students are introduced to some basic concepts of geometry. They explain that the definition of a triangle is a figure with three sides, three angles, and three points. Triangles can be named by using three points in their correct sequence.
+
Lesson Plan
Curated OER

Shapes with Sticks

For Teachers 3rd
Third graders investigate three dimensional shapes. They examine a variety of shapes and the relationship between the number of faces, edges, and vertices. Students determine Euler's formula and they create a variety of three dimensional...
+
Worksheet
Curated OER

The Number Toolbox-Vocabulary Test

For Students 5th - 7th
In this numbers vocabulary learning exercise, students complete a 10 question test, matching "number" vocabulary terms with their correct definition. Answers are provided on page 2.
+
Lesson Plan
Curated OER

NON-EUCLIDEAN GEOMETRY.

For Teachers 8th - 9th
Students study relationships between angles, side lengths, perimeters, areas and volumes of similar objects. In this lesson plan students also create and critique inductive and deductive arguments concerning congruency, similarity and...