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Fractris Problem	Adding fractions (Math 4)+	Java Applet	Activity		[0]
This problem deals with basic addition of fractions. However, some of the questions also encourage students to investigate different ways to get the fractions to add up to 1. By multiplying all the fr... More: lessons, discussions, ratings, reviews,...
Mosaic Problem	Adding fractions (Math 4)+	Java Applet	Activity		[0]
This problem deals with basic addition of fractions. In addition, the second question brings up basic ideas of calculus, i.e. using smaller and smaller rectangles to approximate an irregular shape. Th... More: lessons, discussions, ratings, reviews,...
Number Sequences: III	Addition (Math 3)+	Computer	Activity	$	[1]
Alterable worksheet in which students fill in the missing numbers in sequences, counting forwards and backwards in 6's, 7's, 8's, 9's, 10's, 11's, 15's, 19's, 21's, and 25's. Fee required to print; s... More: lessons, discussions, ratings, reviews,...
Integer Arithmetic	Addition (Math 6)+	Java Applet	Activity		[0]
These guided, interactive activities use number lines, color chips, and a variety of scenarios to help students understand what an integer is and how to do signed addition, subtraction and multiplicat... More: lessons, discussions, ratings, reviews,...
Leonardo da Vinci Activity	Algebra (Math 4)+	Java Applet	Activity		[0]
Students answer the question: Is the ratio of our arm span to our height really equal to 1? If an emphasis is given to a/h = 1, this can be an engaging activity using variables. Use a spreadsheet to w... More: lessons, discussions, ratings, reviews,...
Frogs and Geckos	Algebra and expressions (Math 5)+	Java Applet	Activity		[1]
Students play the Frogs and Geckos Game (also called Traffic Jam) to find the least number of moves that it takes for the frogs and geckos to change places. Students also record the number of steps an... More: lessons, discussions, ratings, reviews,...
Traffic Jam Activity	Algebra and expressions (Math 5)+	Java Applet	Activity		[2]
A classroom activity, to be explored through large movement experience, manipulatives, and an interactive Java applet. Students then revisit the activity, look for patterns, and write the answer algeb... More: lessons, discussions, ratings, reviews,...
Law of Sines Ambiguous Case	Ambiguous Case (Trigonometry)	Sketchpad	Activity		[1]
Use a Geometer's Sketchpad file to investigate the ambiguous case of the law of sines. More: lessons, discussions, ratings, reviews,...
Pool-A-Rama	Angles (Geometry)	Java Applet	Activity		[0]
Place your bets on whether the pool ball will get into the pocket after choosing how to make your move. More: lessons, discussions, ratings, reviews,...
Examining Angles in Polygons	Angles of polygons (Math 7)+	Sketchpad	Activity		[0]
Help students to discover or reinforce the angle formulas associated with polygons. Includes an activity in PDF format and a prepared sketch. More: lessons, discussions, ratings, reviews,...
Parabola!	Applications (Algebra)+	Calculator	Activity		[0]
This file describes an experimental setup (using a motion detector) in which a ball's distance from start is recorded as the ball rolls up then down an inclined plane. It includes a simulation applet... More: lessons, discussions, ratings, reviews,...
Computer Project 2	Applications of Derivatives (Calculus)	Computer	Activity		[1]
Some suggestions for experimentation with a polynomial function in various Newton's Method applets. More: lessons, discussions, ratings, reviews,...
Newton's Method Examples for f...	Applications of Derivatives (Calculus)	Computer	Activity		[2]
Three example expressions for use with the Newton's Method program. More: lessons, discussions, ratings, reviews,...
Principles of Calculus Modelin...	Approximating rate of change (Calculus)	Computer	Activity		[1]
Exercises on average and instantaneous rates of change (PDF). More: lessons, discussions, ratings, reviews,...
The Legacy of Newton, Galileo,...	Approximating rate of change (Calculus)	Computer	Activity		[1]
A quiz (with answers) on average and instantaneous rates of change. More: lessons, discussions, ratings, reviews,...
Calculate the Area of a Trapez...	Area (Math 6)+	TI-83/TI-84	Activity		[1]
Step-by-step directions on how to use the Area Formulas App to calculate the area of a trapezoid. More: lessons, discussions, ratings, reviews,...
Area Function Exercise	Area of a region (Calculus)	Computer	Activity		[1]
Explore the graph of an area function, that is, a function defined as the integral of another function. More: lessons, discussions, ratings, reviews,...
Derivative Definition Exercise	As the lim. of the diff. quot. (Calculus)	Computer	Activity		[1]
Investigate different definitions of the derivative. More: lessons, discussions, ratings, reviews,...
Principles of Calculus Modelin...	As the lim. of the diff. quot. (Calculus)	Computer	Activity		[1]
Exercises on derivatives and the limit definition of the derivative (PDF). More: lessons, discussions, ratings, reviews,...
Secant/Tangent Exercise	As the lim. of the diff. quot. (Calculus)	Computer	Activity		[1]
Use the Secant/ Tangent Applet to investigate the limit of the difference quotient for a particular function. More: lessons, discussions, ratings, reviews,...
The Derivative: Quiz	As the lim. of the diff. quot. (Calculus)	Computer	Activity		[1]
Quiz (with answers) on derivatives and the limit definition of the derivative. More: lessons, discussions, ratings, reviews,...
Limits at Infinity: Quiz	Asymptotic behavior and limits (Calculus)	Java Applet	Activity		[1]
Quiz (with answers) on limits as x approaches infinity. More: lessons, discussions, ratings, reviews,...
Principles of Calculus Modelin...	Asymptotic behavior and limits (Calculus)	Computer	Activity		[1]
Exercises on limits as x approaches infinity (PDF). More: lessons, discussions, ratings, reviews,...
Power Cards - Solution	Base ten, place value (Math 6)+	Java Applet	Activity		[0]
This site explains the Power Cards puzzle to and teaches about binary numbers and other bases. More: lessons, discussions, ratings, reviews,...
Exploring Centers of a Triangl...	Centers of triangles (Geometry)	Sketchpad	Activity		[0]
Using problem solving skills, formal geometry, and The Geometer's Sketchpad, students will model and solve a real-world problem by constructing the centroid of a triangle. Students will explore... More: lessons, discussions, ratings, reviews,...
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