Math uses made-up rules to create models and derive relationships. When learning, I ask:
* What relationship does this model represent?
* What real-world items share this relationship?
* Does that relationship make sense to me?
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Browse our more than 2,500 Math pages filled with short and easy-to-understand explanations. Click on one of the following subject areas: Algebra, Trigonometry, Calculus, Differential Equations, Complex Variables, Matrix Algebra, or Mathematical Tables.
Number Theory, Combinatorics, Geometry, Algebra, Calculus, etc...
Math is the language of symbols. The way we work with numbers tells us a lot about their relationships, patterns, and the ways they change. Math helps us describe both similarities and differences and also helps us think and solve practical problems.
Learn more about the Japanese Lesson Study model. This technique could be used as a math professional development activity. The site provides information on what lesson study is, how it can be used, networks of organizations already using it, and other resources for teachers to explore in order to make their teaching more effective.
This Java applet helps students visualize the concept that the sum of the squares of the side lengths of a right triangle truly equals the square of the length of the hypotenuse. The second applet demonstrates that Pythagorean Theorem only works for right triangles.
A great collection of mathematically rich, real-world problems. Teachers can search the database by topic, habits of mind, student's math background, technology requirements, and problem duration. (Answers are also provided!)
This is to show that cooling of a heated aluminium foil can be modeled with exponential formula
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