Math Open Reference
Math Open Reference: Angle Quiz
Students are assessed on different types of angles. Definitions of the angles are included.
Math Open Reference
Math Open Reference: Triangle Quiz
Students are assessed on different types of triangles. Definitions of the triangles are included.
Math Open Reference
Math Open Reference: Cylinder
Learn how to find the volume and surface area of a cylinder by trying interactive examples. Includes definitions and links to related topics.
Math Open Reference
Math Open Reference: Biography of Pythagoras
Biography of Greek mathematician, Pythagoras, who lived from 569 BC to approximately 475 BC. His theory, known as the Pythagorean Theorem continues to be of interest to mathematicians and has more than 400 different proofs.
Math Open Reference
Math Open Reference: Number Line
Interactive number line illustrates how as you move to the right the numbers increase and as you move to the left the numbers get more negative.
Math Open Reference
Math Open Reference: Number
Resource defines numbers into two main categories, counting numbers and scalars. It also gives examples of number notation.
Math Open Reference
Math Open Reference: Reciprocal
Learn about reciprocals with this site which offers detailed explanations and multiple examples. Topics covered include how to find a reciprocal of a fraction, number, or decimal.
Math Open Reference
Math Open Reference: Fraction
Learn about fractions with this site which offers detailed explanations and multiple examples. Topics covered include converting fractions to decimals, proper and improper fractions, vulgar fractions, percents, and how to type fractions...
Math Open Reference
Math Open Reference: Root (Of a Number)
Learn how to find the root of a number. Topics covered include two roots, roots of negative numbers, and imaginary numbers. This site offers descriptions along with multiple examples.
Math Open Reference
Math Open Reference: Congruence
A complete reference guide to congruence including congruent triangles and polygons. It provides definitions, animation, and interactive activities that enhance further explanation.
Math Open Reference
Math Open Reference: Triangles
A complete reference guide to types of triangles and triangle perimeter and area. It provides definitions and interactive animated activities that enhance further explanation.
Math Open Reference
Math Open Reference: Points and Lines
A complete reference guide to points, lines, and planes. It provides definitions and interactive activities that enhance further explanation.
Math Open Reference
Math Open Reference: Circles
A complete reference guide to circles including parts, angles, and arcs. It provides definitions and interactive activities that enhance further explanation.
Math Open Reference
Math Open Reference: Range of a Function
Learn about Range of Function with this reference guide. Detailed explanations and examples are given.
Math Open Reference
Math Open Reference: Isosceles Triangle
A reference guide to isosceles triangles. It provides a definition and interactive animated activity that enhances further explanation. Includes links to related topics.
Math Open Reference
Math Open Reference: Obtuse Triangle
A reference guide to obtuse triangles. It provides a definition and interactive animated activity that enhances further explanation.
Math Open Reference
Math Open Reference: Complex Numbers
Explore complex numbers with this easy reference guide. Learn that complex numbers lie on a two-dimensional flat plane and have two components called the real and imaginary parts. Provides definitions and interactive activities that...
Math Open Reference
Math Open Reference: Coordinate Plane
Learn about the coordinate plane with this reference guide. Provides detailed definitions, examples, and an interactive activity that enhances further explanation.
Math Open Reference
Math Open Reference: Radical
Learn about radicals with this reference guide. Detailed explanations and examples are given.
Math Open Reference
Math Open Reference: Graphical Function Explorer (Gfe)
This resource provides a free function grapher. Enter up to 3 equations and plot them. Similar to a graphing calculator.
Math Open Reference
Math Open Reference: Domain of a Function
Resource defines the domain of a function and gives examples of interval notation.
Math Open Reference
Math Open Reference: Function
A complete reference guide to functions including how to use functions, inverse functions, graphing a function, and functions in computer programming. It provides definitions and examples that enhance further explanation.
Math Open Reference
Math Open Reference: Function Composition the Chain Rule
Learn about the chain rule with this helpful reference tool. Provides a detailed definition, examples, and an animation that enhances further explanation. Includes links to related topics.
Math Open Reference
Math Open Reference: Acute Angle
Learn about acute angles with this helpful reference tool. Provides a detailed definition, images, and an interactive activity that enhances further explanation. Includes links to related topics.