A Math League basic topic. Contents include: Variables; Expressions; Equations; Solution of an equation; Simplifying equations; Combining like terms; Simplifying with addition and subtraction; Simplifying by...

This geometry lesson from Illuminations uses the model of the orbits of Mars and Earth relative to the sun to illustrate parametric equations. As an interdisciplinary learning activity, the material may be used in...

Linked article describing the progress made on these equations from the Babylonians through Leibniz in 1673, with another Web site and 12 references.

This interdisciplinary lesson ties earth science concepts in with algebra. The forest-fire danger rating index is applied to a mathematical model. Students will learn real-world meaning of the intercepts and slope in the...

This learning object from Wisc-Online covers the properties of equality as related to algebraic equations. The unit's activities include defining the terminology and properties of equality associated with algebraic...