![Ohio Department of Education: Eighth Grade Achievement Test (Practice Test)[pdf] Study Guide](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Ohio Department of Education: Eighth Grade Achievement Test (Practice Test)[pdf] Study Guide")
Other
Ohio Department of Education: Eighth Grade Achievement Test (Practice Test)[pdf]
Half-length practice test for the eighth grade OAT (Ohio Achievement Test). The test includes 15 multiple-choice and 4 open-response questions dealing with topics such as geometry (comparing volumes, angle measures), data analysis...
CK-12 Foundation
Ck 12: Algebra: Simplification of Radical Expressions
[Free Registration/Login may be required to access all resource tools.] Evaluate radical expressions including perfect squares, cubes and approximate square roots.
Varsity Tutors
Varsity Tutors: Hotmath: Graphing Calculator Practice Problems Pythagorean Theorem
Practice using your graphing calculator for real number problems, including the Pythagorean Theorem. If you get stumped or if you would like to check your work, then select the View Solution button, which is located directly under each...
Other
Curious math.com: Math Is an Attitude
This site offers numbers tricks to help multiply and divide large numbers mentally. There are also tricks for powers and roots of numbers.
Help Algebra
Help algebra.com: Quadratic Equations
This article gives a definition of quadratic equations, then demonstrates how to solve them. Factoring, completing the square and the quadratic formula are the methods described. The examples are accompanied by lists of steps for solving...
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Irrational Numbers; Rational Square Roots
Dr. Math responds to how one can tell whether a number is rational or irrational. A proof is discussed in the response.
PBS
Pbs: The Story of Jazz
A supplement to a ten-part film series on jazz, this resource describes the growth and development of jazz music from the gritty streets of New Orleans to the Lincoln Gardens on Chicago's south side, where Louis Armstrong first won fame,...
Wolfram Research
Wolfram Math World: Quadratic Equation
This MathWorld site shows how to derive the quadratic formula.
Mangahigh
Mangahigh: Number: Solve Problems Using Radicals
Use the pythagorean theorem to solve problems with radicals.
CK-12 Foundation
Ck 12: Algebra: Solving Quadratic Equations Study Guide
This comprehensive study guide highlights the main terms and formulas needed to review solving quadratic equations. Examples are included.
Texas Instruments
Texas Instruments: Quadratic Equations
Students solve quadratic equations by factoring and finding square roots, as well as by graphing.
Sophia Learning
Sophia: Evaluating Complex Numeric Expressions: Lesson 2
This lesson will go over how to evaluate numerical with parentheses, exponents, square roots and/or absolute values.
Sophia Learning
Sophia: Simplifying Radical Expressions: Lesson 5
This lesson will provide examples simplifying radical expression by applying the properties of square roots and prime factorization. It is 5 of 8 in the series titled "Simplifying Radical Expressions."
Lawrence Hall of Science
The Math Page: Skill in Algebra: Quadratic Equations
Here is a site that clearly and thoroughly explains the quadratic equations, including how to solve them by factoring, completing the square, and using the quadratic formula. There are example problems solved, problems for the student to...
Cuemath
Cuemath: Complex Numbers
A comprehensive guide for learning all about complex numbers with definitions, operations on complex numbers, solved examples, and practice questions.
CK-12 Foundation
Ck 12: Algebra: Simplification of Radical Expressions
[Free Registration/Login may be required to access all resource tools.] Evaluate radical expressions
CK-12 Foundation
Ck 12: Algebra: Simplification of Radical Expressions
[Free Registration/Login may be required to access all resource tools.] Simplify radical expressions by using distribution and rationalizing the denominator.
Purple Math
Purplemath: Graphing Radical Functions: Intro
A lesson on graphing radical equations gives numerous example problems which are worked through step by step.
Help Algebra
Help algebra.com: Simplifying Radical Expressions
Simplifying radicals that do not contain perfect squares can be done easily by following the steps outlined on this resource. Use the examples to see exactly how to do this.
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...
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...
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...
University of Saskatchewan (Canada)
University of Saskatchewan: Algebra 1 Review
A more advanced review of algebra concepts and practice review problems ranging from the basic rules of algebra to polynomials. A good test of readiness for higher level math courses.
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Potencias De Numerous Racionales
In Spanish. In this site you will practice working with whole and rational exponents with different interactive activities.