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

Rewrite square roots of negative numbers as imaginary numbers.

[Free Registration/Login may be required to access all resource tools.] Find approximate solutions to equations involving irrational numbers.

Concepts and skills covered in this activity include roots, powers of 10, and problem solving. Roots is taken from "Investigating Mathematics with Calculators in the Middle Grades".

Analyze the process of solving a quadratic equation by taking the square root. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Jessica evaluates $\sqrt{2}$ on her calculator which shows a value of $$ 1.4142136. $$ She then writes $$ \sqrt{2} = 1.4142136. $$ Aligns with 8.NS.A.

Practice simplifying expressions with multiple radical terms.

Twenty-one problems where students practice solving quadratic equations by factoring.

If you've got a quadratic equation on the form of ax^2 + c = 0 Then you can solve the equation by using the square root of x = square_root(-c/a) or x = -square_root(-c/a)

An online root game which offers practice in mental math and times practice. When you submit the wrong answer, it provides the correct one. Students and teachers can choose square root or cube root problems. In Spanish, with links to...

The imaginary number (also called the imaginary unit) is defined as the square root of negative one. This site explains the rational for the existence of the imaginary number "i" and gives formulas involving "i" including Euler's...

A wealth of material to help you plan classroom instruction on complex numbers: several lessons that cover the number i, square roots of negative numbers, and operations involving complex numbers; practice activities, some of which...

Detailed math tutorial features notes and examples that illustrate how to solve quadratic equations by factoring and the square root property.

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.

Students use the StudyCard stack to review their understanding of squares and square roots.

A detailed tutorial that will guide you through various methods for solving quadratic equations: factoring, square root, completing the square, and quadratic formula. Follow step-by-step examples, view video problem-solving...

[Free Registration/Login may be required to access all resource tools.] This lesson introduces and teaches how to evaluate nth roots. Students examine guided notes, review guided practice and attempt practice problems.

In this exercise, students practice finding the roots of decimals and fractions. Students receive immediate feedback and have the opportunity to get hints, watch a video, and try questions repeatedly.

Sophia: Introduction to Roots and Radicals uses teacher tutorials and online assessments to introduce and analyze concepts such as Even Roots, Negative Numbers, Odd Roots, Partial Root, Perferct Squares, Radicals Root, and Roots.

Given the formula of a square-root or a cube-root function, find the appropriate graph.

Radicals are also known as roots. The most common are square root and cube root, but there are more.

Find a quick, concise explanation of the properties of square roots. An example is given and clearly explained for each property.

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.

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.