Math: Square Root
These sites are about the basic concepts of square roots. Learn how to calculate square roots by hand and to perform operations such as addition, subtraction, multiplication, and division. Visual square root modeling, online exercises, and interactive games are included.
Grades
 7,
 8,
 9,
 10,
 11,
 12
Links

What are Square Roots?
Dr. Math explains the concept of square roots. NOTE: This site includes ads.

Square Roots Worksheet
Practice finding the square root of a number.

More on Square Roots
This interactive practice allows students to practice determining square roots.

Square Roots
Find out what square roots are and how to find the square root of numbers that are not perfect squares without a calculator. Practice exercises are included. NOTE: This site includes banner and popup ads.

Square Root Concept
Read another explanation about the concept of square roots. Examples, tips, and tricks are included.

Square Root Gizmo
This site helps you explore the meaning of square roots by using a visual area model. Drag the tab to shrink or enlarge the model. Assessment questions are included.

Table of Squares and Square Roots
This site provides a quick reference table for squares and square roots. NOTE: This site includes popup ads.

BBC: How to Calculate the Square Root by Hand
Learn how to calculate the square root of any number without using calculator. Stepbystep directions are provided. NOTE: This site has a Talk link that leads to a discussion board.

Square Root Flashcards
Find the answer to the square root problems using these flashcards. NOTE: This site includes banner ads.

Quia: Square Roots
This site provides fun ways to practice finding square roots. For flashcards, click "remove card" to go to next card.

Tic Tac Toe Squares
Practice calculating square roots in the form of a tic tac toe game. Level of difficulty can be selected.