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Lesson Plan
Curated OER

100 Patch Geometric Quilts

For Teachers 2nd - 4th
Students identify geometric patterns in quilts. In this geometry lesson, students view various types of quilts and identify the geometric shapes. Students construct one hundred patch paper quilts using geometric shapes.
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Lesson Plan
Curated OER

Ratios of Similar Figures

For Teachers 9th - 12th Standards
Students identify the ratios of different triangles. In this geometry lesson, students identify the similarity and differences of triangles. They use the navigator to move the sides of the triangle around.
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Worksheet
Curated OER

Make a Volcano Foldable

For Students 5th - 8th
In this volcano worksheet, students make a "foldable" for the three types of volcanoes. They identify the volcano types, the type of lava, the type of eruption, the location of the volcano and the slope on one of three cards in the...
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Lesson Plan
Curated OER

Scale Factor Area Perimeter

For Teachers 9th - 12th Standards
Mathematicians compare triangles at different scales. In this geometry lesson, learners calculate the area and perimeter of triangles. They use the Ti to make observation of the change that takes place as the triangles are dilated.
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Lesson Plan
Curated OER

Area Formulas

For Teachers 9th - 12th Standards
Teach your pupils to calculate the area of different polygons. Learners create formulas to solve their problems. They use the TI navigator to graph their shapes and observe the change in area.
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Lesson Plan
Curated OER

Polygon Perimeters

For Teachers 4th
Fourth graders practice finding the perimeter of shapes.  In this measurement instructional activity, 4th graders review the meaning of perimeter and work in groups to draw polygons with differing perimeters.  Students share...
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Lesson Plan
Curated OER

Insect Collection

For Teachers 9th - 12th
Students explore how to use several types of insect sampling and collectin equipment. They work in groups to collect insects in different areas of their schoolyard. Students are explained that quadrats are generally used to randomly...
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Lesson Plan
Curated OER

Similar Figures

For Teachers 9th - 12th Standards
Your class will use a TI calculator to drag vertices of rectangles and triangles to observe what happens to ratios of pairs of sides within each figure. They will apply the definition of similarity to identify similar shapes. The lesson...
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Worksheet
Curated OER

Make Shapes and Describe Their Features

For Students 3rd - 4th
In this shapes and their features worksheet, students construct triangles, quadrilaterals, pentagons, hexagons, and heptagons using four designated shapes. In this problem solving worksheet, students create as many of the types of shapes...
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Lesson Plan
Curated OER

That's So Square

For Teachers 1st - 3rd
Young scholars familiarize themselves with the three most common geometric shapes: circles, triangles and parallelograms. They sketch, sort, and name the shapes.
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Lesson Plan
Curated OER

It Matters

For Teachers 2nd - 3rd
Learners use descriptive vocabulary to discuss the attributes of matter. Then, they sort objects or pictures by the type of matter they are comprised of. Finally, students match objects of matter with similar attributes and create a...
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Lesson Plan
Curated OER

Creating a Cyclic Quadrilateral

For Teachers 9th - 12th Standards
Identify and make conjecture about properties of cyclic quadrilaterals. Young scholars use the TI Navigator to create different shapes and draw conclusions.
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Lesson Plan
Curated OER

Drama: Working Together

For Teachers 1st - 6th
Students participate in a host of activities designed to encourage creativity, collaboration, and cooperation. They experience walking in different ways, greeting various types of people, and mirroring, where one student duplicates the...
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Worksheet
Curated OER

Circles and Cylinders

For Students 10th
In this circles and cylinders activity, 10th graders solve and complete 22 various types of problems. First, they collect data for a radius and circumference for several different circles and calculate the quantity. Then, students find...
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Lesson Plan
Curated OER

Archeologist Frieze Patterns

For Teachers 6th - 12th Standards
Learners construct frieze patterns using translations and rotations. They will discuss how frieze patterns are similar to jigsaw puzzles and use Cabri Jr. to build a triangle frieze pattern using rotations, translations, and reflections.
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Lesson Plan
Curated OER

Spherical Geometry: A Global Perspective

For Teachers 3rd - 12th
Students investigate spherical geometry using a globe and an apple. In this spherical geometry lesson plan, students translate Euclidean geometry terms to spherical geometry terms using a globe. They answer 3 questions about spherical...
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Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers 8th - 10th
Students investigate the properties and idea of the Pythagorean Theorem. In this algebra lesson, students identify the different parts of a right triangle and relate it to the Pythagorean Theorem. They do a robotic experiment to...
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Lesson Plan
Curated OER

Underwater Research

For Teachers 4th - 12th
Students make transect and quadrat surveys using a provided worksheet in order to understand the techniques used to study coral reefs. Each type of survey is used to identify the species, diversity, and number of corals.
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Worksheet
Curated OER

Math Lab

For Students 10th
In this polygons and angles worksheet, 10th graders complete 5 different questions related to polygons and angles, in addition to symmetry and transformations. First, they define polygon and how they are named. Then, students define...
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Lesson Plan
Curated OER

I Love the Mountains

For Teachers 1st
First graders discuss and define different landforms. They read the book "Our Land", sing a landform song and perform it with motions and then complete a worksheet.
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Worksheet
Curated OER

Extending Online Number Sequences

For Students 5th - 6th
For this online number sequences worksheet, students work out the answers to eight comprehensive exercises with thirty-eight calculations involving a variety of sequences. Students answers are automatically graded online as they go and...
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Lesson Plan
Curated OER

Heron's Formula

For Teachers 9th - 10th
Learners use Heron's formula to calculate the area of a triangle. In this geometry instructional activity, students use three different methods to solve the area of a triangle. They find and construct the incentor and angle bisector...
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Lesson Plan
Curated OER

Exploring Areas of Irregular Polygons

For Teachers 9th - 12th Standards
Students solve for the area of different polygons. In this geometry lesson, students identify and differentiate between regular and irregular polygons. They use properties of irregular polygons to solve problems.
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Lesson Plan
Curated OER

Geometry: Lesson 10

For Teachers 8th
Eighth graders investigate the Pythagorean theorem and how it is used in geometry. Measurements for different triangles is given and then students must solve problems in order to practice using the formula.