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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...
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Pythagorean Theorem

For Teachers All
Students explore how the Pythagorean Theorem works and how to apply it.
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Scale Drawing: Insulating Another Attic

For Teachers 6th - Higher Ed
Give your future household repair specialists a real-life chance to apply the concepts of ratio and proportion. Using a scale drawing, they calculate the missing dimensions of two walls of a compound-shaped attic. They then figure how...
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Pythagoras' Theorem

For Teachers 8th - 12th
Students are introduced to the Pythagoras' Theorem and its history, proofs and practice in application. Students find perimeters, areas and volume of everyday objects. Students state and explain the theory.
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Review Geometric Figures

For Teachers 9th - 10th
Youngsters review different geometric figures and shapes. In this geometry lesson, pupils use formulas to calculate area, perimeter, circumference and volume of geometric shapes. They calculate the surface area also.
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Cylinder Volume Lesson Plan

For Teachers 10th
Tenth graders define the formula for cylinders and use it to solve real world problems. For this geometry lesson, pupils differentiate between area, perimeters, 2D shapes, 3D shapes, and volume of prisms, cylinders and spheres. They...
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Isosceles Triangle Theorem

For Teachers 8th - 9th
In this geometry worksheet, students differentiate between isosceles and regular triangles. They calculate the area and perimeter of the triangle. There are eleven questions with an answer key.
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Exploring Ecosystems

For Teachers 3rd - 5th
Students examine the characteristics of an ecosystem. They create their own landmass of an ecosystem and creating a map of the area. They develop a brochure sharing information about their new landmass.
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Integers and Measurement

For Teachers 4th - 6th
In this integers and measurement worksheet, students solve 24 various types of problems as defined. They reduce all fractions to lowest terms. Then, students draw a diagram and show the measurements to the proper power and pi for the...
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Planning a Garden

For Teachers 7th
Seventh graders research the World Wide Web to research and plan a garden for their school. They draw a scale model of the garden, determine the cost, and create a presentation to promote their garden plan.
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Measurement Investigations 2

For Teachers 6th - 12th
Students complete a number of practical measuring investigations, with an emphasis on accuracy of measuring and communication of their findings. They examine how to measure by first becoming aware of the physical attributes of objects...
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Tiling a Patio

For Teachers 5th
Fifth graders practice, with spreadsheets, to demonstrate how to determine the number of tiles needed to create a patio. They use pictures and gathered data to determine a pattern that can be used to solve problems. Students create a...
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How Close Is Our Estimate?

For Teachers 5th
Fifth graders estimate perimeter, area, and volume. They measure perimeter and area using nonstandard units of measurement. Students add and subtract non-standard units of measurement. They add mixed numbers and simplify the sum.
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New Pen at the Zoo

For Teachers 3rd - 5th
Students create two drawings for a new animal pen design at the zoo. They must draw the ideas keeping the amount of material available in mind. They compare and contrast their two designs and write how they are similar in perimeter and...
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Effects of Changing Dimensions Proportionally

For Teachers 10th
In this geometry worksheet, 10th graders examine the effect of changing the dimensions of a figure proportionally on the perimeter, circumference, and area.  The one page worksheet contains six problems.  Answers are...
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Geogebra Basics

For Teachers 9th - 11th
Students identify basic geometric shapes using Geogebra. For this geometry lesson, students work on a laptop as they explore different geometric shapes. They calculate the area and perimeter of triangles.
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Arc Length and Sectors

For Teachers 9th - 12th Standards
Find the length of an arc. Learners relate central angles to the area and length of a sector and graph circles on the TI to make predictions.
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Introduction to Fractals: Geometric Fractals

For Teachers 6th - 8th
Learners study and observe the patterns made by the areas of the Sierpinski Triangle. Students use the computer to draw two or three iterations to discover the number patterns. Learners complete worksheets based on Geometric Fractals.
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Designing And Costing Your Pool

For Teachers Higher Ed
Students engage in a lesson that uses applied mathematics to find the solution to the design of a pool for a home. They design the pool based upon scale measurements that include perimeter and area of the pool area, water volume, and...
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Real World Problems

For Teachers 8th
Eighth graders solve real world problems.  In this solving real world problems instructional activity, 8th graders decorate a school cafeteria for a dance.  Students determine the number of balloons needed to put a balloon...
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Graphing Data

For Teachers 8th - 9th
Students graph lines in a coordinate plane. In this geometry instructional activity, students graph lines on a coordinate plane, and identify the slope. They calculate the volume, area and perimeters of the shapes created on a coordinate...
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Similarity

For Teachers 9th - 10th
Students find the factor of proportionality in similar polygons. In this similarity of polygons lesson plan, students measure the sides and angles of polygons and derive a factor of proportionality between corresponding pairs of sides...
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Measurement

For Teachers 9th - 11th
Students measure angles, perimeter, area and volume. In this geometry instructional activity, students define different ways to measure and solve for the perimeter, area and volume of geometric shapes. They analyze and process...
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Real Numbers: Care Homework #8

For Teachers 7th - 8th
In this real numbers worksheet, students perform the given operation with decimals, whole numbers, and fractions. They find the area and perimeter of circles. Students determine the volume of cylinders. This three-page worksheet contains...

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