University of Virginia
Basic Ideas in Greek Mathematics
This page discusses some of the mathematical problems addressed by some famous Greek mathematicians, including Zeno, Archimedes, and Eudoxus.
Wolfram Research
Wolfram Math World: Imaginary Number
Contains a brief definition of an imaginary number. Includes special links and topic search engine.
Mangahigh
Mangahigh: Algebra: Approximation Using a Calculator
Students work through an online turorial on the topic of approximation and then take a ten question quiz that increases in difficulty as the problems progress.
Math Open Reference
Math Open Reference: Radical Sign or Symbol
Learn about radical signs or symbols with this resource which offers detailed explanations and multiple examples. Subjects covered include bar length and radical expressions. Links to related topics.
CK-12 Foundation
Ck 12: Algebra: Solving Equations Using the Pythagorean Theorem
[Free Registration/Login may be required to access all resource tools.] Use the Pythagorean Theorem to find the length of a leg
CK-12 Foundation
Ck 12: Algebra: Properties of Rational Numbers
[Free Registration/Login may be required to access all resource tools.] Recognize and identify irrational numbers and the set of real numbers
CK-12 Foundation
Ck 12: Algebra: Solving Equations Using the Pythagorean Theorem
[Free Registration/Login may be required to access all resource tools.] Use the Pythagorean Theorem to find a right triangle's missing side lengths.
CK-12 Foundation
Ck 12: Geometry: Angle Measures in Given Quadrilaterals
[Free Registration/Login may be required to access all resource tools.] Find the degree measure of unknown angles in given quadrilaterals.
BBC
Bbc: Higher Bitesize Maths: Quadratic Theory
A tutorial on quadratics presents topics including: factoring and solving quadratics, graphing quadratic functions, using completing the square and the quadratic formula to solve functions, the discriminant and conjugates. Plenty of...
Physics Aviary
Physics Aviary: Quick Graphing/linearizing Program
This program was designed as a quick graphing program that students could use on a computer, tablet or smart phone when a more complex graphing program is not available. This program will let students plot up to 10 data points and then...
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: Potencias Y Radicales
In this module you will learn about radicals numbers and their operations.
University of Saskatchewan (Canada)
University of Saskatchewan: Exponents and Exponential Functions
This site reviews the basic properties of exponents, and explains rational exponents and exponential functions, including those with base "e." Provides examples and lots of exercises.
Sophia Learning
Sophia: Finding a Missing Coordinate Using the Distance Formula: Lesson 5
This lesson demonstrates how to find missing x or y coordinate of a segment when given the distance between the two points on a coordinate plane. It is 5 of 4 in the series titled "Finding a Missing Coordinate Using the Distance Formula."
CK-12 Foundation
Ck 12: Algebra: Expressions With Radicals
[Free Registration/Login may be required to access all resource tools.] Simplify radicals.
World History Encyclopedia
World History Encyclopedia: Greek Mathematics
Discusses the major cultural influences on the development of mathematics in ancient Greece, and how the Greeks went on to surpass those cultures. The work of the Pythagoreans and of Euclid are described, along with some famous...
Discovery Education
Discovery Education: Web Math: Algebra
This WebMath site provides links to tutorials and lessons in both Algebra I and II. Links to topics such as factoring, solving equations, polynomials, simplifying equations, graphing, and much more.
Sophia Learning
Sophia: Simplifying Radical Expressions
This video lesson demonstrates how to simplify radical expressions by rationalizing the denominator. The tutorial includes detailed examples.
Sophia Learning
Sophia: Adding Radical Expressions With Like Radicands
Students watch a video lesson that demonstrates how to add like radicands. The tutorial provides examples and allows learners to practice on their own.
Oswego City School District
Regents Exam Prep Center: Irrational Approximations
Providing one instructional activity, one practice exercise, and two teacher resources, the information at this website is geared toward young scholars who already understand rational and irrational numbers. The instructional activity...
Purple Math
Purplemath: Graphing Radical Functions: Intro
A lesson on graphing radical equations gives numerous example problems which are worked through step by step.
Cuemath
Cuemath: Imaginary Numbers
In this lesson plan, you will learn about complex numbers and imaginary numbers. Included are solved examples and interactive questions for review.
ClassFlow
Class Flow: Rounding
[Free Registration/Login Required] In this flipchart, students apply estimation strategies to predict or determine the reasonableness of answers in situations involving computation on rational numbers in various forms including whole...
ClassFlow
Class Flow: Order of Operations Review
[Free Registration/Login Required] This flipchart reviews the order of arithmetic operations, including exponents and square root. Assessment questions are included.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Compound Interest
Three problems offer practice with compound interest. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution" button to check each step of your...
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