Chapter 13.1
Area and Perimeter of Rectangles: Essential Geometry Skills
Master the art of calculating area and perimeter of rectangles. Our easy-to-follow guide helps you understand key concepts, apply formulas, and solve real-world problems with confidence.
What You'll Learn
Identify the characteristics of rectangles and squares, including equal opposite sides and right angles
Calculate perimeter by adding all sides or using the formula 2L + 2W for rectangles
Calculate area using length × width for rectangles and side² for squares
Understand dimensions: perimeter as 1D (linear units) and area as 2D (squared units)
Apply area and perimeter formulas to compound shapes by breaking them into component rectangles
Solve word problems involving missing dimensions using perimeter or area relationships
What You'll Practice
1
Finding perimeter of rectangles and squares with whole numbers, decimals, and fractions
2
Calculating area of rectangles and squares using various unit types
3
Working backwards from perimeter to find missing side lengths
4
Computing perimeter and area of compound shapes made from multiple rectangles
5
Solving real-world word problems involving pizza boxes, book covers, and other rectangular objects
Why This Matters
Area and perimeter are essential for everyday tasks like measuring rooms for flooring, building fences, wrapping gifts, or planning gardens. These skills form the foundation for advanced geometry, construction, architecture, and any field requiring spatial reasoning and measurement.
This Unit Includes
16 Video lessons
Practice exercises
Learning resources
Skills
Perimeter
Area
Rectangles
Squares
Dimensions
Compound Shapes
Units of Measurement
Word Problems
NL Curriculum Aligned
