+
Lesson Plan
Curated OER

Using Density to Identify Wood Types

For Teachers 7th - 8th
Students identify different woods based on their density. In this density lesson, students use a triple beam balance to find the mass and a metric ruler for the volume. They look through various wood blocks and identify what type of wood...
+
Worksheet
Curated OER

Properties of a Parabola

For Students 8th - 10th
In this algebra instructional activity, students identify the properties of a parabola. They factor and graph quadratic equations. There are 18 questions.
+
Lesson Plan
Curated OER

Finding Sums to 6

For Teachers Pre-K - 2nd
Students explore the additive identity property where they add multiple numbers to get to the number 6. For this number 6 lesson plan, students also work on their addition charts.
+
Lesson Plan
Curated OER

Inductive and Deductive Reasoning

For Teachers 9th - 12th
High schoolers use logical arguments and inductive reasoning to make or disprove conjectures. After observing a teacher led demonstration, students discover that the deductive process narrows facts to a few possible conclusions. In...
+
Lesson Plan
Curated OER

Math: Equal Area Triangles

For Teachers 6th - 8th
Students examine a math worksheet and determine how to divide a single triangle into four of equal area. Using geometric principles, they sketch two additional ways to divide into into four equal triangles. To conclude, students...
+
Lesson Plan
Alabama Learning Exchange

Trapezoids: What's Equal or Right About Them?

For Teachers 8th - 10th Standards
Pupils explore the concept of trapezoids.  In this trapezoids instructional activity, students identify legs and bases of a trapezoid.  Pupils discuss the similarities and differences between isosceles trapezoids and right trapezoids. ...
+
Lesson Plan
Curated OER

Arrays To See Multiplication

For Teachers 5th
Fifth graders examine multiplication. They construct arrays to demonstrate specific multiplication facts. They identify examples and non-examples of arrays. Students use counters to model the commutative property of multiplication.
+
Worksheet
Curated OER

Easy Worksheet: Congruent Segments

For Students 9th - 12th
In this congruent segments worksheet, high schoolers solve 6 short answer problems. Students justify steps in a proof by identifying the reason for various steps. High schoolers justify steps of proofs using the transitive property,...
+
Assessment
Los Angeles County Office of Education

California State Standards: Algebra I

For Students 8th - 10th Standards
Starting a year of Algebra I? This mighty packet practices all of the major topics with different ranges of difficulty. Standards include everything from linear to quadratic to rational expressions. Use it in a variety of ways to...
+
Lesson Plan
Curated OER

Group Isomorphisms

For Teachers 9th - 10th
Students identify and apply properties of triangles. In this geometry instructional activity, students define equilateral triangles by sides and angles. They build cardboard triangles as they study properties of triangles.
+
Lesson Plan
Curated OER

Building Bridges

For Teachers 7th - 9th
Students identify the different types of bridges. Using the internet, they research information on how they are built by completing a scavenger hunt. Locating a specific area, they determine which type of bridge would be appropriate and...
+
Lesson Plan
Curated OER

Angles - Unlocking Geometry

For Teachers 3rd - 5th
Students investigate the concept of angles and how they are used in geometry. They construct polygons using various types of angles and then classify them according to their physical properties. Students use a computer program in order...
+
Worksheet
Curated OER

Dividing by Monomials

For Students 9th
In this monomials worksheet, 9th graders solve and complete 20 different problems that include dividing various monomials. First, they identify and define quotient of powers, zero exponent and negative exponents. Then, students simplify...
+
Worksheet
Curated OER

The Premises of Geometry

For Students 9th - 10th
In this geometry worksheet, students solve for missing midpoints, segments and angles using algebraic equations. They use geometric properties to solve these equations. There are 32 questions on 7 different worksheets.
+
Assessment
Noyce Foundation

Parallelogram

For Teachers 6th - 7th Standards
Parallelograms are pairs of triangles all the way around. Pupils measure to determine the area and perimeter of a parallelogram. They then find the area of the tirangles formed by drawing a diagonal of the parallelogram and compare their...
+
Worksheet
Curated OER

Quaternions

For Students 11th - 12th
In this quaternions worksheet, students solve and complete 7 different problems. First, they read and identify quaternions as expressions in a given form of ordinary real numbers. Then, students add and subtract a few problems by doing...
+
Lesson Plan
Curated OER

Subtracting Monomials and Polynomials

For Teachers 10th - 12th
Students subtract monomials and polynomials by combining like terms. In this advanced subtraction lesson, students define the rules and properties for subtraction of polynomials. They apply the rules for addition to help with the rules...
+
Lesson Plan
Curated OER

Paragraph Proofs

For Teachers 9th - 12th
Students explore the concept of paragraph proofs. In this paragraph proofs lesson, students make flow charts of the process of getting ready for school. Students convert the flow chart to a paragraph proof. Students use geometric...
+
Lesson Plan
Curated OER

The Commutative Property

For Teachers 3rd - 5th
Students explore arrays. They get into pairs and receive bags of small buttons to each group.
+
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

Area of Triangle using the Semi-Perimeter and Radius

For Teachers 8th - 10th
Students investigate the properties of circles. In this geometry lesson, students calculate the area and perimeter of a triangle. They identify the perimeter and radius length of a circle.
+
Worksheet
Curated OER

Exponential and Logarithmic Functions

For Students 8th - 10th
In this algebra worksheet, students identify the properties of logs. They solve exponential problems using properties of exponents. There are 6 questions.
+
Lesson Plan
Curated OER

Investigating Area and Perimeter of Polygons.

For Teachers 8th - 10th
Student sinvestigate the area and perimeter of polygons. They differentiate between similar and congruent polygons.. They identify the ratio and proportions of the sides and angles of polygons.
+
Lesson Plan
Curated OER

Incredible Edible Bridges

For Teachers 7th - 10th
Students create a bridge using engineering and geometric concepts. In this geometry lesson, students identify the missing measures of polygons sides and angles. They work together to solve real life situation using problem solving skills.