Square
A square is a four-sided polygon with four right angles and four equal sides. Each interior angle of a square measures 90 degrees, and all four sides have the same length.
Properties of a Square
- Four equal sides
- Four right angles
- Diagonals are equal in length and bisect each other at right angles
- Each interior angle measures 90 degrees
Formulas for a Square
Area of a square: A = side × side (or A = s2)
Perimeter of a square: P = 4 × side
Example
If the side of a square is 5 units, then:
Area = 5 × 5 = 25 square units
[Square] Related Worksheets and Study Guides:
.◂Math Worksheets and Study Guides Third Grade. Patterns
Study Guide
Patterns 
Worksheet/Answer key
Patterns Worksheet/Answer key
Patterns Worksheet/Answer key
Patterns Worksheet/Answer key
Pattern and Algebra Worksheet/Answer key
Patterns and Algebra Worksheet/Answer key
Patterns and Algebra
Worksheet/Answer keyWorksheet/Answer keyWorksheet/Answer keyWorksheet/Answer keyWorksheet/Answer keyWorksheet/Answer keyThe resources above cover the following skills:
Algebra (NCTM)
Understand patterns, relations, and functions.
Describe, extend, and make generalizations about geometric and numeric patterns.
Represent and analyze patterns and functions, using words, tables, and graphs.
Use mathematical models to represent and understand quantitative relationships.
Model problem situations with objects and use representations such as graphs, tables, and equations to draw conclusions.
Analyze change in various contexts.
Identify and describe situations with constant or varying rates of change and compare them.