This tutorial and practice shows how to simplify radicals even with a negative number. Features include a teacher page that has a Bingo game to teach the concept.

The learning activity examines squares and square roots. Topics include perfect squares, how to square a number, and the square root symbol. The resource consists of explanations and examples.

Tutorial covers a series of questions, examples, and practice that will help students learn how to approximate square roots.

This lesson provides basic instruction on the major concepts in algebra. Content includes a focus on fractions, units of conversion, complex numbers, quadratic equations, factorization and roots of polynomials, solving equations, systems...

This task develops students' number sense of squares and square roots. They are to find an approximation of a less obvious square root of a number to see where it would fall on a number line. To do this, they must examine perfect squares...

This concentration game explores square roots. There is a link to a list of the numbers being used so students can check their answers.

Briefly covers the topics of square roots, decimal numbers, and perfect squares.

This math site from Mathworld.com explains what a square root is including information on imaginary numbers and many links. This site also addresses the continued fractions of positive real square roots, in particular the square root of...

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 Forum response to whether square roots of all non-perfect squares are irrational. Contains a proof showing that such cases are, indeed, irrational.

Content, suitable for an introductory algebra course, explains the difference between rational and irrational numbers, how to rationalize the denominator, how to evaluate radicals and the square root process. Practice problems included.

College professor Dan Bach offers a review of various basic topics in arithmetic, pre-algebra, and algebra. Order of operations, exponents, square roots, variables, and combining terms are just a few of the many topics covered.

Print or create worksheets to assess students' understanding of radicals, square roots, and irrational numbers.

Explore square roots and the process of squaring.

This comprehensive study guide highlights the main terms and formulas needed to review irrational numbers and radicals. Examples are included.

In this lesson, eighth grade middle schoolers will learn the steps necessary to approximate the square roots of numbers that are not perfect squares. Students will use a number line as a visual aid to complete this task.

A proof to show that the square root of two is an irrational number, followed by a shorter and even more beautiful proof.

Students experience square roots, perfect squares, and absolute value to enhance their knowledge of numbers. Taking this awareness, students apply it to operations with integers.

Practice solving problems using your knowledge of square and cube roots. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.

Here you'll find information on radicals: notation, symbols, and laws for simplifying. The information is brief, but easy to follow.

This site offers numbers tricks to help multiply and divide large numbers mentally. There are also tricks for powers and roots of numbers.

The purpose of the task is to show students a situation where squaring both sides of an equation can result in an equation with more solutions than the original one, because it is possible to have two unequal numbers whose squares are...

This site is a tutorial for students in algebra 2 or for those who need a refresher. The site has explanations, definitions, examples, practice problems and practice tests are found covering topics such as linear equations, graphing,...

This site deals with using a calculator to help solve and evaluate mathematical problems. This site provides a lengthy chart of basic operations performed by calculators, examples of problems to be solved using a calculator, as well as...