Lesson Plan
Curated OER

Ara of Circles

For Teachers 8th - 10th
Students identify the differentiate the different properties of circles and parallelograms. In this geometry instructional activity, students calculate the area of each solid and identify the formula. They relate Pi to the circumference...
Worksheet
Curated OER

Perimeter and Area Practice

For Students 4th - 6th
In this area and perimeter practice worksheet, students examine 4 sample problems and solve 20 problems that require them to calculate perimeter and area.
Interactive
Curated OER

Area of Circle Worksheets

For Students 10th
In this geometry learning exercise, 10th graders calculate the area of circle give either the radius or the diameter. The one page interactive learning exercise contains ten questions. Answers and  hints are included. 
Lesson Plan
Curated OER

Out Of Control

For Teachers 5th
Fifth graders study wildfires in the United States.  In this wildfire lesson students read an article, make calculations and answer questions.
Interactive
Curated OER

Problem Solving 1

For Students 4th - 7th
In this online interactive problem solving worksheet, students examine a diagram and use their problem solving skills in order to respond to 5 questions.
Worksheet
Curated OER

Pythagorean Theorem

For Students 8th - 9th
In this Pythagorean Theorem instructional activity, students determine the length of a missing side of triangles. They read story problems, draw diagrams, and use the Pythagorean Theorem to solve real life problems. This one-page...
Lesson Plan
Curated OER

Area of irregular Polygons: Historical Motivator - Lewis and Clark Adventure

For Teachers 7th
Seventh graders find the area of irregular polygons. In this lesson on calculating area, 7th graders use the adventures of Lewis and Clark as motivation to learn how to calculate the area of irregular polygons.
Worksheet
Curated OER

Inductive Reasoning

For Students 10th
In this algebra worksheet, 10th graders apply inductive reasoning as they figure out the next number in the sequence or pattern. There are 53 problems.
Worksheet
Curated OER

Chapter 6: Geometry Perimeter and Area

For Students 10th - 12th
In this perimeter and area worksheet, students find the perimeter of various polygons.  They compute the perimeter, surface area, circumference, and volume of given figures.  Students explore trigonometric ratios.  This...
Lesson Plan
Curated OER

Geography Game

For Teachers 2nd
Second graders, in groups, selects a letter as a starting point and announces the direction in which he intends to move on a map. The team that closes a square takes possession of the square and marks it with their symbol.
Lesson Plan
Curated OER

China

For Teachers 2nd
Second graders complete a variety of activities surrounding a unit on China and Chinese culture.
Lesson Plan
Curated OER

Measurement

For Teachers 7th
Seventh graders measure surface area. In this geometry lesson plan, 7th graders find the surface area of various geometrical shapes. Using a computer program, students compute the area of 2-D and 3-D shapes.  Students...
Lesson Plan
Curated OER

Rectangular Gardens

For Teachers 9th - 10th
Students create a rectangular garden using paper and tiles. In this geometry lesson, students investigate the largest possible rectangle that can be created given specific boundaries. They use grid paper to draw the rectangles creating a...
Interactive
Curated OER

Volume: How Full Can You Go?

For Students 4th - 6th
In this volume:  how full can you go worksheet, students interactively answer 10 multiple choice questions about volume in both metric and standard measure, then click to check their answers.
Lesson Plan
Curated OER

The Greedy Triangle

For Teachers 3rd
Third graders use the book "The Greedy Triangle" to practice measuring perimeter and area. They also calculate the length of objects.
Lesson Plan
Curated OER

Perimeter and Area

For Teachers 5th
Fifth graders identify the area and perimeter of a rectangle. In this perimeter lesson, 5th graders use geoboards and rubber bands to construct various rectangles. Students use the formula to calculate area and perimeter of the...
Lesson Plan
Curated OER

Area Explorations

For Teachers 7th - 8th
Students explore the concept of area. In this area activity, students find the area of irregular shapes with right angles. Students break down each irregular shape into multiple regular shapes in order to find the area. Students...
Interactive
Curated OER

Area of Parallelogram and Triangle

For Students 10th
In this geometry instructional activity, 10th graders determine the area of triangles and parallelograms. The one page interactive instructional activity contains ten questions. Answers and hints are included. 
Worksheet
Curated OER

Pressure

For Students 6th - 8th
In this physics worksheet, students use the clues at the bottom of the sheet to complete the crossword related to pressure. There are 15 clues to solve in the puzzle.
Worksheet
Curated OER

Problem Solving: Perimeter, Area, or Volume?

For Students 4th - 5th
In this perimeter, area, or volume worksheet, students read the word problems and determine whether to problem solve to find the perimeter, area, or volume to answer the six word problems.
Lesson Plan
Curated OER

Area Under A Curve

For Teachers 9th - 12th
Students investigate the concept of finding the areas under curves while examining the graphing for inscribed and circumscribed rectangles. Finally, students compute the area under the curve by using the left-hand endpoints. The examples...
Lesson Plan
Curated OER

If you have to find the area of a region, how would you calculate it?

For Teachers 5th
Fifth graders find the area of rice farms. In this area lesson, 5th graders draw shapes and grid them to find the area. They compare different rice fields to see which one takes up more space and has the larger area. 
Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers 9th - 11th
Students solve problems using the Pythagorean Theorem. In this geometry activity, students identify the sides and angles of a right triangle. They find the different trigonometric ratios and solve using sine, cosine and tangent.
Lesson Plan
Curated OER

Area Lesson Plan

For Teachers 7th - 8th
Students explore geometry by using computer applications. In this spatial measurement lesson, students discuss the difference between area, weight, volume and other forms of measurement. Students utilize computer applications to find the...