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Exploring the Centroid of a Triangle
Pupils examine the centroid of a triangle as they use Cabri Jr. to construct a triangle and its medians. The dynamic nature of the software allows learners to measure the lengths of the segments in the triangle and conjecture and verify...
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Perpendicular Segments in a Circle
High schoolers explore the concept of circles as they construct a circle using a program such as Cabri Jr. Learners construct a chord and a diameter that are perpendicular, then measure the bisected chord and notice that both sides of...
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Does the Area of the Quadrilateral Change?
Students study area and quadrilaterals. In this multiplication and area activity, students use Polystrip models to change rectangles to form different parallelograms. Students find the area of the models use a Geometer Sketchpad to find...
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Natural Wonders of China And Japan
Young scholars identify some of the attributes of China and Japan and compare and contrast the way Chinese, Japanese, and American artists represent nature in art. The lesson is for upper-elementary classrooms.
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If I Had as Robot...
Students design a robot of every day objects and name it. They write about things the robot could do for them using the "If I Had a Robot" activity sheet using the robot as a visual aid to add to their creative writing.
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Matter
Learners complete a unit of activities to learn about states of matter and how to measure matter. For this matter lesson, students complete 8 lessons to learn about matter, its states, and how to measure matter.
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Geometry and Measurement
Students view a right triangle displayed by the teacher. Students measure legs and the interior angles of the triangle. They look for a pattern or relationship between the legs and angles. Students use pegboards and string to create more...
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What's Your Design?
Sixth grade students: design a stained glass window, submitting their initial plan detailing the measurements of all lines and angles. Seventh grade students: create a scale drawing of their own geometric family of four members.
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Geo Jammin' By DeSign - Day 1, Lesson 1: Math in Motion
Second graders, through large screen monitor, study geometric design. They participate in a diagnostic assessment in which they use pnecils, scissors and paste.
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Sled Kite
Students make and fly a sled kite out of plastic garbage bags, dowel rods, and more. In this kite lesson plan, students plan the kite to have symmetry and make adjustments as they test it.
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Tangram Tantrums
Students discuss tangram vocabulary, and act out slide, flip, and turn. They observe tangram puzzles on a web page, and solve their own tangram puzzles.
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Geo Jammin' - Day 4, Lesson 12: Geo Gee-Hawin'
Young scholars review geometry unit content through a vocabulary/word game. They demonstrate understanding using geoboards to answer questions. They work in groups and it's a race to the correct answer.
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Geo Jammin' - Day 1, Lesson 1: Gee Quiz!
Second graders are introduced to geometry by a teacher made puppet called Geo George.
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"Geotown" Scrapbook
Students create a scrapbook. In this geometry lesson, students use digital cameras to take pictures of geometrical concepts. Students use the pictures to create a "Geotown" scrapbook.
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Internet Field Trip on Fractions and Geometry
Students take an Internet field trip to research fractions. ESOL strategies include using pattern block manipulatives and pairing ESOL and non-ESOL students on computers.
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Investigating Quadrilaterals
Fourth graders discuss the various attributes of quadrilaterals. In groups, they use the attributes to sort quadrilaterals into different classes and a hierarchy. They review the new vocabulary and attributes with a partner to end the...
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Creating Animal Prints
Students investigate the habits of animals by studying their prints. In this animal life lesson, students investigate the different types of tracks left from animals by researching the Internet. Students utilize clay or...
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Creating a "Concrete" Spreadsheet
Learners create a spreadsheet that calculate the amount of concrete needed to pour various concrete forms.
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Snowflake Curve
Learners develop an appreciation for complex structures in nature. They observe patterns in nature in relationship to the Real World. Students use observation skills to assist in problem solving. They show comprehension of the concepts...
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Math Vocabulary Definitions-Multiple Choice
In this math vocabulary worksheet, students complete 15 multiple choice problems, choosing the correct definition for a set of math terms. A reference web site is included for additional activities.
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The Search for Pythagoras' Treasure
Students identify and define properties of triangles. In this geometry instructional activity, students identify the missing sides and angles of right triangles. They use the rules of the Pythagorean Theorem to solve their problems.
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Contour Drawing
Third graders are introduced to Contour Drawing. They view examples and non-examples of student contour drawings. After a demonstration of correct technique, 3rd graders produce contour drawings of the top side of their hand.
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Lines, Segments, and Rays
Fifth graders use their arm, toothpicks, and marshmallows to create lines, segments, and rays. For this lines, segments, and rays lesson plan, 5th graders learn how these appear on a plane.
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Paper Mache Animal Sculptures
Fourth graders choose and construct farm animal paper mache sculptures. They paint their sculptures using primary colors and mixing colors, and explore various textures and forms.