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Let the Matrix Do It
Students create a matrix of the vertices of a triangle and produce new matrices that dilate, translate, rotate, and reflect the original triangle. After multiplying each matrix by a new scale factor, they graph the new matrix and...
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Constructions of Isosceles and Equilateral Triangles
Pupils explore the difference between drawing and constructing a triangle utilizing The Geometer's Sketchpad on the computer. They create, develop and script constructions for both isosceles and equilateral triangles. Each student has to...
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Positive Perspectives Posters
Sixth graders create a poster using one-point visual perspective. After exploring several examples of one-point perspective, 6th graders create a drawing around the theme of school community. Posters are illustrated and installed...
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The Closer I Get To You
Pupils explore the law of reflection. Through experimentation and problem solving, they collect and analyze data pertaining to reflection. The data is plotted on a graph and formulas for calculating the x and y values are evaluated.
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Review Geometry - Week 8 (Triangles)
In this triangle worksheet, students use similar figures to find the length of one side of two similar triangles. They find the area of a triangle inscribed in a rectangle. This two-page worksheet contains eight problems.
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Concurrence
In this concurrence worksheet, 10th graders solve 10 different problems related to determining various concurrences. First, they determine which type of triangle has two altitudes outside of it. Then, students determine the distance...
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A.P. Calculus Prerequisite No Calculator Multiple-Choice and Free-Response Exam
In this A.P. Calculus pre-requisites learning exercise, students solve ten multiple-choice and ten free-response questions. Many of these questions cover trigonometric functions.
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Diagonals of Quadrilaterals
Students find the diagonals of the quadrilaterals. In this geometry lesson, students identify and use properties of quadrilaterals. They define different parts of a quadrilateral shape.
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Exploring the Properties of Rectangular Prisms.
Young scholars define properties of rectangular prisms. In this geometry lesson, students identify the relationship between two and three dimensional objects. They use Cabri technology to graph their figures.
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Exploring Properties of Rectangular Prisms
Students explore the properties of rectangular prisms. In this geometry lesson, students identify properties of two and three dimensional shapes. They use Cabri technology to create polygons and solve problems.
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Model Storage Facility
Students design a storage facility that can withstand extreme wind loads. In this physics instructional activity, students decide how to build their facility considering budget constraints. They evaluate their design and present it to...
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Magnus Effect
Learners examine the Magnus effect and its history. In this forces lesson students investigate the lift of a rotating cylinder.
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A Measuring Tug
Fourth graders participate in a length and measurement tug-of-war game. They try and pull the rope as many feet as the teacher has marked, calling out their measurement when one side has succeeded.
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Map Field of Current
Students determine that moving charges create a magnetic field. They discover that the speed and direction of motion, the amount of charge, and the deflection angle observed are closely linked. A voltmeter, pendulum, and a constructed...
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Mapping the Ocean Floor
Students study the bottom structure of underwater habitats and how they can be mapped.
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Hit Me With Your Best Shot
Sixth graders discuss the effect of gravity on objects. In groups, they participate in different activities in which they observe the effect of motion on objects and how energy is transferred between objects. To end the lesson, they...
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Distance And Parallax
Students will determine distances to nearby stars using parallax. In this Astronomy lesson plan, students will use a web program, trigonometry, and sketches to determine the distance of stars.
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Polygons All Around Us!
Students explore the concept of polygon properties. In this polygon properties lesson plan, students draw polygons with different numbers of sides such as pentagons, octagons, hexagons, etc. Students identify different geometric shapes...
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Parallax
High schoolers discover how astronomers used the diameter of the Earth's orbit around the Sun as a baseline for estimating the distance of some stars, and the meaning of "Parsec" and "light year."
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Geometry House!
Fourth graders use computer drawing tools to create a house of geometric shapes.
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Math: Equal Area Triangles
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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Scrabble
In this frequency worksheet, students use the standard rules for Scrabble to find the abbreviations used on the board. Then, the determine the frequency as stated in the chart shown to represent the correct number of letter tiles.
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Similar or Not?
Fifth graders define the meaning of similar and congruent using concrete objects. They make similar and congruent figures using geoboards. They draw their figures on dot paper, and color their designs.
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Video Analysis of Motion &
Students examine a powerful tool that can be used in the study of motion. They use VideoPoint to measure an aspect of an organism's motion: speed, acceleration, center of mass.