Keywords: Math
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Displaying 1-20 of 232 results.
3:4:5 triangle
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| Type: | Course Related Materials |
Abstract: An interactive applet and associated web page that demonstrate the properties of a 3:4:5 triangle - one of the Pythagorean triples. The applet shows a right triangle that can be resized by dragging any vertex. As it is dragged, the remaining vertices change so that the triangle's side remain in the ration ... More »
30-60-90 triangle
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| Type: | Course Related Materials |
Abstract: An interactive applet and associated web page that demonstrate the properties of a 30-60-90 triangle. The applet shows a right triangle that can be resized by dragging any vertex. As it is dragged, the remaining vertices change so that the triangle's angles remain 30 degrees, 60 degrees and 90 degrees ... More »
45-45-90 triangle
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| Type: | Course Related Materials |
Abstract: An interactive applet and associated web page that demonstrate the properties of a 45-45-90 isosceles right triangle. The applet shows a right triangle that can be resized by dragging any vertex. As it is dragged, the remaining vertices change so that the triangle's angles remain 45 degrees, 45 degrees ... More »
A Birthday Basket For Tia
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| Type: | Course Related Materials |
Abstract: This lesson will provide your students with an opportunity to brainstorm, predict, and check for understanding throughout this wonderful story about a little girl, Cecilia, who is preparing a special birthday gift for her 90 year-old Aunt Tia. Cecilia collects objects that represent her favorite memories ... More »
A Math Story!
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| Type: | Course Related Materials |
Abstract: This lesson plan is designed to use a basic third grade math fact as a prompt to write and illustrate a math story. A hands on math activity using math manipulatives will serve as the focus and review for this lesson. A writing activity will serve as a conclusion as well as an assessment for understanding.
AAS Congruent Triangles
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| Type: | Course Related Materials |
Abstract: An interactive applet and associated web page that shows how triangles that have two angles and a non-included side the same must be congruent. The applet shows two triangles, one of which can be reshaped by dragging any vertex. The other changes to remain congruent to it and the two angles and non-included ... More »
Acute Angle
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| Type: | Course Related Materials |
Abstract: An interactive applet and associated web page that demonstrate acute angles (those less than 90 deg). The applet presents an angle (initially acute) that the user can adjust by dragging the end points of the line segments forming the angle. As it changes it shows the angle measure and a message that ... More »
Acute triangle
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| Type: | Course Related Materials |
Abstract: An interactive applet and associated web page that demonstrate the three types of triangle: acute, obtuse and right. The applet shows a triangle that is initially acute (all angles less then 90 degrees) which the user can reshape by dragging any vertex. There is a message changes in real time while the ... More »
Adjacent Angles
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| Type: | Course Related Materials |
Abstract: An interactive applet and associated web page that show the concept of adjacent angles (two angles that share a common leg). The applet shows three line segments with a common endpoint. The user can move the center one and see that the angles on both sides (the adjacent angles) of it are affected. Applet ... More »
Adjacent arcs
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| Type: | Course Related Materials |
Abstract: An interactive applet and associated web page that demonstrate the the concept of adjacent arcs. The user can 3 drag points around a circle that define the endpoints of two adjacent arcs. Web page has the properties of adjacent arcs. Applet can be enlarged to full screen size for use with a classroom ... More »
All Natural: Jim Denevan and Chris Drury
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| Type: | Course Related Materials |
Abstract: SPARK tails artists Jim Denevan and Cris Drury as they create large earth works. This Educator Guide is about the history and tradition of artists making work in and about the natural environment.
Alternate Exterior Angles
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| Type: | Course Related Materials |
Abstract: An interactive applet and associated web page that demonstrate the alternate exterior angles that are formed where a transversal crosses two lines. The applets shows the two possible pairs of angles alternating when in animation mode. By dragging the three lines, it can be seen that the angles are congruent ... More »
Alternate Interior Angles
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| Type: | Course Related Materials |
Abstract: An interactive applet and associated web page that demonstrate the alternate interior angles that are formed where a transversal crosses two lines. The applets shows the two possible pairs of angles alternating when in animation mode. By dragging the three lines, it can be seen that the angles are congruent ... More »
An Integrated Poetry Unit
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| Type: | Course Related Materials |
Abstract: My students have always disliked poetry. The different ways in which this lesson approaches poetry and the connection it makes to their "March Madness" studies seems to make poetry more enjoyable, fun, and relevant for my students. In order to integrate with the sixth grade math and Social Sciences teachers, ... More »
Ancient World
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| Type: | Course Related Materials |
Abstract: This is a powerpoint jeopardy game. This can be used as a test or as a way to review information. We used this as a culminating test for our unit on Ancient Worlds. The jeopardy game is based on goals in math (geometry), language arts (myths, gods and goddesses), and Social Sciences (Ancient Greece, ... More »
Angle
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| Type: | Course Related Materials |
Abstract: An interactive applet and associated web page that introduce the concept of an angle. An angle made from two line segments is shown that the user can adjust by dragging the end points of the segments. In real time, as the angles is changed by the user, the angle measure in degrees is shown and a message ... More »
Angle bisector
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| Type: | Course Related Materials |
Abstract: An interactive applet and associated web page that demonstrate the bisector of an angle. An angle is shown using two line segments that can be dragged to change the angle measure. The angle is bisected by a line which moves while dragging to always divide the angle into two equal angles. The angle measures ... More »
Angle measure - degrees.
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| Type: | Course Related Materials |
Abstract: An interactive applet that acts as a 'digital manipulative' for explaining angles measured in degrees. The applet has an angle formed from two segment that can be dragged around in a circle. The angle measure is shown against a 'clock face' calibrated in degrees. The measures can be turned off for class ... More »
Apothem of a Regular Polygon
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| Type: | Course Related Materials |
Abstract: An interactive applet and associated web page that demonstrate the apothem of a regular polygon. The applet shows a regular polygon where the user can alter the number of sides and resize it by dragging any vertex. At all times, the apothem (line from center to a midpoint of a side) is drawn and it's ... More »
Arc
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| Type: | Course Related Materials |
Abstract: An interactive applet and associated web page that demonstrate the concept of an arc. The applet shows a circle with part of it highlighted to identify the arc. Each endpoint of the arc can be dragged to resize it. The web page ahs definitions and links to the properties of an arc. Applet can be enlarged ... More »