Lesson Plan
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Secant Line Approximation of the Tangent Line

For Teachers 9th - 11th
Students perform operation with secant and tangent lines. In this calculus instructional activity, students find the derivative and relate it to the slope of a line. They differentiate between secant and tangent as they intersect a...
Worksheet
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Sergey Brin

For Students 4th - 8th
In this famous person instructional activity, students read a passage about Sergey Brin and then complete a variety of in-class and homework activities to support comprehension, including partner interviews, spelling, cloze,...
Lesson Plan
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Get the Turtle to the Pond

For Teachers Pre-K - 2nd
Young scholars solve problems. In this math activity, students write solutions using LOGO commands in order to help get the turtle to the pond.
Worksheet
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Perimeter, Circumference and Area

For Students 9th - 11th
In this measurement worksheet, students identify the area, perimeter and circumference of a diagram. They also find the size of a pond based on the diagram shown on the sheet. Finally, students calculate how much carpet is needed to be...
Worksheet
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Running The Business

For Students Higher Ed
In this career worksheet, students are asked to look at the six stages necessary for the success of running a hypothetical new business.
Worksheet
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The Area of a Triangle

For Students 5th - 6th
In this area of a triangle worksheet, students solve 30 problems in which the area of triangles are calculated. There is instruction on the page. This is intended for on-line use but can be done on paper.
Lesson Plan
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Exploring Areas

For Teachers 5th
Fifth graders use the activities provided on a web site to calculate the area of an object.
Lesson Plan
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Moving On: Octagoning the Circle

For Teachers 3rd - 8th
Students explore circles through the use of octagons. They inscribe a circle in a regular octagon and find the area and perimeter of the hexagon with respect to the radius of the circle. Students present their findings to the class.
Lesson Plan
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A4 Containers

For Teachers 5th
Fifth graders determine which container made from a single sheet of paper has the greatest volume. They look the solutions made by three different students before working on their own examples.
Lesson Plan
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Creating Gardens

For Teachers Higher Ed
Students are shown that numeracy is all around them. They use volume, and calculate the quantity of soil required to make a garden to given instructions. Students are asked how to calculate the amount of soil required for the garden.
Lesson Plan
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Triangle Explorer

For Teachers 3rd - 5th
Students calculate the area of triangles using a variety of materials including computer applets.
Lesson Plan
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To Float or Not to Float - A Lesson on Density

For Teachers 7th - 8th
Students define density in their own words. In this physics lesson plan, students calculate density using mass and volume. They explain why some objects sink and some float.
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Area Lesson Plan

For Teachers 5th - 6th
Students manipulate a variety of materials and computer applets in order to explore area and the units used to measure it.
Lesson Plan
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Go LEGO!

For Teachers K - 2nd
Students utilize LEGO's to replace cards for a game that replicates "Go Fish".
Interactive
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Water, Water Everywhere

For Students 5th - 7th
For this water worksheet, students complete a five question multiple choice online interactive quiz about water. This is a more advanced quiz that includes chemistry questions.
Lesson Plan
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"Slice of Pi with Neo-Excel"

For Teachers 6th - 8th
Middle schoolers explore diameter, radius, and circumference. They define radius, diameter, and circumference on an online dictionary, identify objects in the room with a radius and a diameter, and calculate the radius and diameter of...
Lesson Plan
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Pieced Flowers

For Teachers 9th - 12th
Students practice making pieced flower blocks to be used on their quilts. As a class, they create simple and complicated templates to be used as a stand alone wall hanging. They share their creation with the class and receive...
Lesson Plan
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Hexagoning the Circle

For Teachers 6th - 9th
Students explore similarity to see that the area of a circle should be a constant times the square of its radius. Students create a hexagon. Students share their designs with the class.
Lesson Plan
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Polygonal Strings

For Teachers 6th
Sixth graders apply knowledge of how to calculate the area and perimeter of triangles. They determine why it is inappropriate to measure the area of land by its perimeter which is done in certain areas of New Guinea. They complete a...
Lesson Plan
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Investigating Soil

For Teachers 4th
Fourth graders swap local soil samples with another school and examine the differences. They research soil properties, identify organisms that live in soil, create and maintain a biome of soil decomposition and design a poster to present...
Lesson Plan
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Exploring Centers of Triangles

For Teachers 7th - 10th
Students explore properties of triangles using angle bisectors, incenters, circles, midpoints, and altitudes. They use Geometer's Sketchpad in order to create triangles and their properties.
Worksheet
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LCROSS 'Sees" Water on the Moon!

For Students Higher Ed
In this moon worksheet, students calculate information about the crater that was created by a massive impact. This worksheet has 3 problems to solve.
Lesson Plan
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How Big Is Your Heart?

For Teachers Pre-K - 2nd
Students complete a performance about the heart. In this heart lesson plan, students learn about the heart functions and then perform them.
Lesson Plan
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Understanding Fractions

For Teachers 5th - 8th
Students add and subtract fractions and multiply and divide fractions using pattern blocks.