Lesson Plan
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Finding Patterns and Graphing Functions

For Teachers 9th - 10th
Students investigate patters for area and perimeter. In this Algebra I/Geometry lesson, students explore two different patterns as they write a formula for the nth term of each pattern. Students graph their results and determine if the...
Worksheet
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Area of Compound Shapes

For Students 5th - 6th
In this compound shapes worksheet, students solve 40 problems in which the area and perimeter of compound shapes is calculated. There are instructions and examples on this page, which is intended to be used on-line, but can be completed...
Lesson Plan
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Area Adventure

For Teachers 4th - 6th
Students calculate the area of figures using the formula: length x width = area. They solve area problems using paper squares, geoboards, and real-world problems.
Lesson Plan
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STRETCHING SPRING

For Teachers 10th - 12th
Students calculate the length, width, height, perimeter, area, volume, surface area, angle measures or sums of angle measures of common geometric figures. They create an equation of a line of best fit from a set of ordered pairs or...
Lesson Plan
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Effect on Surface Area and Volume

For Teachers 8th - 10th
Students identify the effect the change of dimensions causes for the volume and surface area. In this geometry instructional activity, students compare perimeter, area and volume as they play around with the dimensions of the...
Lesson Plan
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Circles and Pi

For Teachers 9th - 11th
Students identify the relationship between the radius and Pi. In this geometry lesson plan, students calculate the circumference and area of a circle. They create visuals to help them see how the circumference relates to Pi.
Lesson Plan
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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.
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Bingo

For Teachers 6th - 8th
Students practice determining the most appropriate units for a given situation while measuring attributes of objects, systems and processes of measurement. They review the concepts of angles, perimeter, area, surface area and volume.
Lesson Plan
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Coordinate Graphs, Translations and Reflections

For Teachers 7th - 8th
Students perform translations and reflections. In this algebra lesson, students use the TI calculator to graph functions. They move the functions around on the coordinate plane using translation and reflection.
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A Cylinder Workshop

For Teachers 7th - 10th
Young scholars work with given formulas to solve for specific variables. The calculation of the volume of a cylinder and the change in volume when there is a constant surface area is analyzed in this lesson.
Lesson Plan
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Measurement Investigations 1

For Teachers 5th
Fifth graders find perimeters, areas, and volumes of everyday objects and state the precision. They work in small groups in order to take measurements, perform calculations, and write a group report about the investigation.
Worksheet
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Unit 7: Mensuration Mental Tests

For Students 6th - 8th
In this mental math worksheet, middle schoolers calculate area, volume, perimeter, and convert units in two mental math tests of ten problems each. 
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The Price is Right, So Let's Make Change

For Teachers 2nd - 3rd
Students estimate, calculate, and count back the amount of change needed from purchases made during small group activities.
Lesson Plan
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Cooking a Few of my Favorite Things

For Teachers 2nd
Second graders publish a class cookbook of their own recipes. They explore the nutritional value of foods, calculate the measurements, and prepare a healthy recipe for the class.
Lesson Plan
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Round The Track

For Teachers 4th
Fourth graders develop problem solving skills while learning to measure an athletic track. The focus upon logic and reasoning is helpful for all types of science and math calculations.
Lesson Plan
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Figuring Elapsed Time

For Teachers 6th - 7th
Students discover the concept of elapsed time. In this calculating time lesson, students utilize the Internet to complete record sheets based on the concept of elapsed time. Finally, the students answer questions on their own.
Interactive
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Coordinate Geometry

For Students 6th - 8th
In this geometry worksheet, learners calculate the midpoint and distance between two points. They use the correct formula to solve the area and perimeter of polygons. There are 20 multiple choice questions with an answer key.
Lesson Plan
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Pyramids- Slant Height and Altitude

For Teachers 8th - 10th
Young scholars calculate the height and altitude of a pyramid. In this geometry lesson, students define the parts that make up a pyramid. They use the Pythagorean Theorem to find the missing parts of a pyramid.
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Finite Geometry

For Teachers 9th - 10th
Students solve for the area and perimeter of polygons. In this geometry lesson, students identify repeated patterns and create formula to solve problems. They make conjectures and prove hypotheses.
Lesson Plan
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Working Watermelon

For Teachers 2nd - 4th Standards
You're going to wish you had a watermelon for this lesson! Class members read about watermelons and make a salad in class to sample. They also perform estimates, measurements and calculations on a watermelon. They predict what percentage...
Worksheet
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The Triangle Problem

For Students 10th
In this geometry worksheet, 10th graders identify different parts of a scalene triangle and calculate the length of different segments. There is one question with an answer key.
Lesson Plan
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Estimating With Fire

For Teachers 7th - 9th
Students solve problems with percents, decimals and fractions. In this algebra instructional activity, students convert between fractions, percents and decimals. They estimate their answers and calculate their answer.
Lesson Plan
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The Minimal Distance Point from the Vertices of a Triangle

For Teachers 9th - 10th
Pupils calculate the distance from the vertex of a triangle to the center. In this geometry lesson, students find the shortest distance between a point and the vertex of a triangle. They relate this concept of distance to the real world.
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Area Explorations

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