Lesson Plan
Curated OER

Scale Drawing

For Teachers 9th - 10th
Students use ratio and proportions to solve problems. In this geometry lesson, students apply ratio and proportions to real life scenarios.
Worksheet
Curated OER

Triangles

For Students 10th
In this triangles activity, 10th graders solve and complete 22 different problems related to various types of triangles. First, they name the shortest and longest sides and the smallest and largest angles in each of triangles...
Worksheet
Curated OER

Solve Word Problems with Geometry

For Students 7th - 12th
In this geometry worksheet, students solve word problems having to do with lines, angles, shapes, area, perimeter, and more. Students complete 57 problems total.
Lesson Plan
Curated OER

The Law of Sines

For Teachers 11th - 12th
Students define the laws of sine as it relates to a right triangle. In this trigonometry lesson, students identify the properties of sine to help then find mixing sides of a right triangle. They also solve for the missing angles.
Lesson Plan
Curated OER

Quilt Squared

For Teachers 4th - 6th
Students study West Virginia quilts. For this mathematics lesson, students use symmetry, geometric shapes, and patterns to create their own quilt square.
Lesson Plan
Curated OER

Geoboard Squares

For Teachers 2nd - 3rd
Students create squares of different sizes on a geoboard. They find and describe a pattern. Students use the pattern to determine the number of squares possible on a 10-by-10 geoboard. They create squares with a horizontal base (and...
Lesson Plan
Curated OER

Can You Carry a Tune in a Bucket?

For Teachers 10th - 12th
Students use water filled pipes to play a tune and consider the mathematics behind the sound waves. In this sound wave activity, students play a tune with water filled pipes. They create a mathematical model to evaluate the wavelengths...
Interactive
Curated OER

The Pythagorean Theorem

For Students 10th
In this geometry learning exercise, 10th graders answer questions about right triangles by identifying the 3 sides of the triangle. They analyze the different shapes of polygons and relate them to right triangles to find the sides using...
Worksheet
Curated OER

Right Triangle Trigonometry

For Students 12th
In this trig worksheet, 12th graders identify the angles of a tight triangle using sine, cos and tan combined with the given sides. There are 23 problems broken down in 4 sections.
Lesson Plan
Curated OER

Scaled Rubber Band Drawings

For Teachers 3rd - 5th
Students demonstrate the process of creating a scaled rubber band enlargement of a simple drawing. They observe and discuss a teacher-led demonstration, and create a scaled rubber band enlargement of simple drawings and their invention...
Lesson Plan
Curated OER

Tomb Robbers

For Teachers 6th
Sixth graders identify benchmark angles as they are embedded into a circle grid. They observe the teacher using an angle ruler and complete a Star Spangled worksheet, play the game Tomb Robbers, and as a class discuss their game winning...
Worksheet
Curated OER

Difference In Time

For Students 2nd - 3rd
In this time worksheet, students write down the time and compare the difference in time between the two clock faces. Students complete 6 time problems.
Worksheet
Curated OER

Difference In Time

For Students 2nd - 3rd
In this telling time worksheet, students write down the digital time in the clocks given. They then write the differences in time from the two clocks in each problem. Students complete 6 problems.
Worksheet
Curated OER

Basic Theorems and Proofs

For Students 11th
In this pre-calculus worksheet, 11th graders recall the three forms of the law of cosines and used it to solve problems involving triangles. They also write out the laws of sines and use those to solve problems with angles. There are 15...
Worksheet
Curated OER

Lesson 10-6: Using the Quadratic Formula

For Students 9th - 12th
In this quadratic formula worksheet, students solve 5 quadratic problems.  Students use the quadratic formula to find maximums, minimums, roots, and y-intercepts.
Lesson Plan
Pennsylvania Department of Education

Volume of Compound Figures

For Teachers 5th
Fifth graders use patterns, models and relationships to solve equations.  In this equations instructional activity, 5th graders define vocabulary for equations and complete worksheets explaining variables and solving problems.
Lesson Plan
Curated OER

Proportionality, Ratios and Constant Variation

For Teachers 9th - 11th
Students use Scion Image to estimate the proportion of space images. In this proportion lesson, students investigate the online site of Image of the Orbitor and relate the dimensions and sizes to known sizes.
Lesson Plan
Curated OER

One Size Fits All?

For Teachers 3rd - 5th
Students describe the differences between an estimate and a guess. They create reasonable estimates based on comparison and activities. Students explain how estimation is helpful in showing the relative size on a scale. They also...
Worksheet
Curated OER

Area and Perimeter of a Rectangle

For Students 5th - 6th
In this online rectangles worksheet, students find the area and perimeter of thirty-nine rectangles. Students check their answers on line as they go and receive their overall score online at the end of the worksheet.
Worksheet
Curated OER

Three Scale Drawing Activities

For Students 7th - 10th
In this scale drawing worksheet, students complete three different scale drawing activities.  One activity is making a scale drawing, one involves answering questions from a given scale drawing, and one is a cross-number...
Worksheet
Curated OER

Pythagorean Theorem and Triangles

For Students 11th
In this geometry worksheet, 11th graders solve problems with right triangles using the Pythagorean Theorem. They find the missing angle or missing side. There are 15 questions with an answer key.
Lesson Plan
Curated OER

Betweenness and the Sum of Parts

For Teachers 9th - 12th Standards
High schoolers differentiate lines and angles using betweenness in this geometry lesson plan. They differentiate angles and lines using Cabri Jr. and analyze the data and make conjecture.
Worksheet
Curated OER

Drawing Plans to Scale

For Students 8th - 10th
In this drawing plans to scale worksheet, students examine how to convert small scale drawings to real life plans. They work with perimeters and areas when given the scale ratio. They complete 7 multi-step questions. They enter the...
Lesson Plan
Curated OER

Squares

For Teachers Pre-K - K
Students identify shapes that are squares. In this square activity, students identify the square items and then sing songs about squares.