Math.com
Math.com: Square Root Calculator
The square root calculator calculates the square root of any number.
Fun Brain
Fun Brain: Tic Tac Toe Squares
Players simplify square roots to win the tic tac toe learning game.
Other
Mathebook.net: Middle: Square Root
The online virtual self-checking resource has students practice calculating the square root of a number.
Doina Popovici
Math Play: Square Root Concentration Game
An interactive game where students can sharpen their skills for calculating simple square roots.
Mr. Martini's Classroom
Mr. Martini's Classroom: Square Roots
Practice solving square roots by changing the difficulty and assessing knowledge with a quiz.
Sophia Learning
Sophia: Finding a Missing Coordinate Using the Distance Formula: Lesson 2
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 2 of 4 in the series titled "Finding a Missing Coordinate using the Distance Formula."
Sophia Learning
Sophia: Finding a Missing Coordinate Using the Midpoint Formula: Lesson 2
This lesson demonstrates how to find a missing x or y coordinate of a segment when given the midpoint of the two points on a coordinate plane. It is 2 of 5 in the series titled "Finding a Missing Coordinate using the Midpoint Formula."
ClassFlow
Class Flow: Right Triangles
[Free Registration/Login Required] Use this flipchart to help your high school students understand right triangles using the Pythagorean Theorem.
ClassFlow
Class Flow: Squares and Square Roots
[Free Registration/Login Required] Students complete multi-step computations using order of operations in situations involving combinations of rational numbers including whole number exponents and square roots of square numbers.
Khan Academy
Khan Academy: Approximating Square Roots Walk Through
Tutorial covers a series of questions, examples, and practice that will help students learn how to approximate square roots.
ClassFlow
Class Flow: Braun Right Triangles
[Free Registration/Login Required] This lesson is an exploration of variations of right triangles. Use as a warm up on square roots introduced in this flipchart. [Requires Adobe Reader.]
ClassFlow
Class Flow: Exponents & Roots
[Free Registration/Login Required] This flipchart provides an explanation of exponents and roots.
ClassFlow
Class Flow: Math Special Education
[Free Registration/Login Required] Using Activotes, students apply their math knowledge to answer a variety of questions.
Sophia Learning
Sophia: Determining Unknown Values Using the Volume of a Cylinder
This video lesson demonstrates how to work backward and use the volume of a cylinder to find an unknown value such as the radius or height. Students can check their understanding with an assessment. [4:41]
Sophia Learning
Sophia: Radical Functions in the Real World
This video tutorial demonstrates how to write and solve radical functions using real-world scenarios. Students can check their understanding with an assessment.
Interactive Mathematics
Interactive Mathematics: Roots and Radicals
Here you'll find information on radicals: notation, symbols, and laws for simplifying. The information is brief, but easy to follow.
Shmoop University
Shmoop: Basic Operations: Roots
The mathematics resource explores roots. Students examine the topic through class notes and examples. Practice problems with solutions are available to check for comprehension of the concept.
That Quiz
That Quiz: Raices and Potencias
This interactive activity is designed to practice the mathematical concepts of exponents and square roots. This activity may be used to develop students' understanding of these mathematical concepts.
National Council of Teachers of Mathematics
The Math Forum: The Volume of a Pyramid
This question and answer site from the Math Forum with Dr. Math presents a problem dealing with the volume of a pyramid. Links are also provided for additional information on related subjects.
NumberNut
Number Nut: Ordering Operations With Parentheses
A thorough lesson on order of operations that includes detailed examples and related vocabulary.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Square Roots
Find a quick, concise explanation of square roots. An example is given and clearly explained.
Wolfram Research
Wolfram Math World: Square Root
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...
Quia
Quia: Square Roots
This interactive matching game allows students to practice identifying the squares and square roots of numbers.
Other
Math Pages: Ancient Square Roots
This site from Math Pages proivdes information and gives the Babylonian method for solving square root equations. The site is very intense and in-depth with good information. The material is pretty intense, however, and a background...