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"Picking" Your Way through Are...	Variables (Math 7)+	TI-Nspire	Activity	[0]
In this activity, students will discover Pick’s Theorem by ﬁnding the relationship between area and the number of boundary points and interior points of a lattice polygon. More: lessons, discussions, ratings, reviews,...
2D/3D Function Plotter	Graph functions (Math 7)+	JavaScript	Story	[1]
Middle school teacher Jeff LeMieux writes about how he uses the JavaScript page of Patrick Dostert's 2D/3D Function Plotter with his students. More: lessons, discussions, ratings, reviews,...
3-D Object Viewer	Perspective (3-D in 2-D) (Math 7)	Java Applet	Tool	[1]
Applet contains orthographic projections (static) and perspective drawings (dynamic) of 8 different objects; useful for building visualization skills. Toggle between "drawing" view and "3-d model" vi... More: lessons, discussions, ratings, reviews,...
3-D Visualization Activity: St...	Polyhedra (Math 7)+	Java Applet	Activity	[2]
Student handouts for critical thinking activity to accompany National Library of Virtual Manipulatives' Platonic Solids and Platonic Solids: Slicing applets. (view "Tool" links below) More: lessons, discussions, ratings, reviews,...
3-D Visualization Activity: Te...	Polyhedra (Math 7)+	Java Applet	Lesson Plan	[0]
Teacher notes for critical thinking activity to accompany National Library of Virtual Manipulatives' Platonic Solids and Platonic Solids: Slicing applets. (view "Tool" links below) Includes differenti... More: lessons, discussions, ratings, reviews,...
3-Way Percent Calculator	Percentages (Math 7)	JavaScript	Tool	[0]
Enter the values into the expression to solve about percents, and the calculator will solve the problem. More: lessons, discussions, ratings, reviews,...
A Better Fire!	Equivalent fractions (Math 7)+	Java Applet	Tool	[3]
See the chaos theory played out in forest fire simulations. More: lessons, discussions, ratings, reviews,...
A Dynamic Proof	Pythagorean theorem (Math 7)	Sketchpad	Activity	[0]
Students create a sketch in which a dramatic animation shows how the sum of the areas of two squares is equal to the area of the third square. The link to the activity itself is to a zip file tha... More: lessons, discussions, ratings, reviews,...
A Dynamic Proof	Pythagorean theorem (Math 7)	Sketchpad	Tool	[0]
Students create a sketch in which a dramatic animation shows how the sum of the areas of two squares is equal to the area of the third square. The link to the tool itself is to a zip file that co... More: lessons, discussions, ratings, reviews,...
A Fractals Unit for Elementary...	Fractals (Math 7)	Computer	Activity	[1]
A teaching unit on fractals for students and teachers in grades 4 to 8, that adults are free to enjoy, designed to introduce students to fractals and the underlying mathematics. It focuses on fractals... More: lessons, discussions, ratings, reviews,...
A Geometric Investigation of (...	Squaring binomials (Math 7)	Java Applet	Tool	[0]
Explores a geometric explanation of why (A + B)^2 = A^2 + 2AB + B^2. More: lessons, discussions, ratings, reviews,...
A Geometric Proof of the Pytha...	Pythagorean theorem (Math 7)	PowerPoint	Tool	[0]
This PowerPoint presentation uses animation and color to show a step-by-step geometric proof of the Pythagorean Theorem. It is assumed that students are already familiar with the theorem and its mean... More: lessons, discussions, ratings, reviews,...
A Graphical Analysis of M&M’s ...	Bar graphs (Math 7)+	Excel	Lesson Plan	[0]
Students will create bar graphs and pie graphs, use these graphs and the statistical calculations done in a previous activity to compare individual data with class data and discuss the effect of sampl... More: lessons, discussions, ratings, reviews,...
A Million Penny Project	Large numbers (Math 7)+	Spreadsheet	Technology PoW	[2]
Students use a spreadsheet to show when they will have collected their million pennies. Students are invited to use the link "Submit your answer" to share their solutions, and then "self-mentor"... More: lessons, discussions, ratings, reviews,...
A Plethora of Polyhedra	Polyhedra (Math 7)+	Java Applet	Tool	[2]
This is a free JAVA applet that helps users to study spatial geometry in a dynamic and interactive way. Using it, the user can rotate, zoom out, zoom in and translate a plethora of polyhedra. Moreover... More: lessons, discussions, ratings, reviews,...
A Right Triangle with Squares	Pythagorean theorem (Math 7)	Sketchpad	Activity	[0]
Students make a square tool and use the tool to investigate the Pythagorean Theorem and its converse. The link to the activity itself is to a zip file that contains the activity in pdf format. ... More: lessons, discussions, ratings, reviews,...
A World of Mathematics: Activi...	General (Math 7)	TI-15	Activity	[0]
This book uses the calculator as a problem-solving tool. In each activity, the basic problem could be solved without the calculator; however, the mathematics involved makes the calculator the appropri... More: lessons, discussions, ratings, reviews,...
Abacus	Operations with numbers (Math 7)	Java Applet	Tool	[1]
An electronic abacus that can be used to do arithmetic. More: lessons, discussions, ratings, reviews,...
Absolute Value Problems	Absolute value (Math 7)+	Java Applet	Tool	[1]
Students are given an absolute value equation, and then given boxes to fill in step by step. After each step is complete, there is feedback, with help if the answer is wrong. This continues until the ... More: lessons, discussions, ratings, reviews,...
Activities for Algebra I with ...	Integers (Math 7)+	TI-73 Explorer	Activity	[0]
This collection of activities is intended to provide middle and high school Algebra I students with a set of data collection investigations that integrate mathematics and science and promote mathemati... More: lessons, discussions, ratings, reviews,...
Adding Integers	Adding integers (Math 7)	Flash	Tool	[5]
The website is divided into three sections: "Learning" (tutorial); "Practice" (Jeopardy game); and "Assessment" which is a self-test on adding integers. The "Learning" section allows students to pick... More: lessons, discussions, ratings, reviews,...
Adding Integers Lab - Discover...	Integer operations (Math 7)+	Java Applet	Activity	[0]
This activity uses virtual color chips from the Library of Virtual Manipulatives. The NLVM applet helps students understand zero pairs. Students will be able to derive the rules for adding integers. More: lessons, discussions, ratings, reviews,...
Adding and Subtracting Decimal...	Adding decimals (Math 7)+	JavaScript	Tool	[5]
The user reviews how to add and subtract decimal numbers. After viewing examples, users can interactively practice adding and subtracting the decimal numbers given. More: lessons, discussions, ratings, reviews,...
Adding and Subtracting Fractio...	Adding fractions (Math 7)+	JavaScript	Tool	[1]
The user can learn the basics behind adding and subtracting fractions. After viewing examples, users can interactively practice adding and subtracting fractions. More: lessons, discussions, ratings, reviews,...
Adding and Subtracting Integer...	Adding integers (Math 7)+	JavaScript	Tool	[0]
The user reviews how to add and subtract integers. After viewing examples, users can interactively practice adding and subtracting integers with this tool. More: lessons, discussions, ratings, reviews,...
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