Topic 5: Surface Area and Volume

5-1: Nets

Key Concept

A net is a two-dimensional pattern that you can fold to form a three-dimensional figure. A net of a figure shows all of the surfaces of that figure in one view.

A popcorn box and its net.

Part 1

Example Matching Nets With Three-Dimensional Figures

Match each package with its net.

A net with three rectangles in a row and two triangles attached at the top and bottom of the middle rectangle.

A net with 4 equilateral triangles. One triangle is attached to each side of the triangle in the center.

A net with one rectangle at the center and four isosceles triangles with legs of equal length. Two triangles attach at their base to the length of the rectangle in the center. Two triangles attach at their base to the width of the rectangle in the center.

A net with four rectangles forming a row. Rectangles are also attached to the top and bottom of the second rectangle.


End ofPage 162

Table of Contents

Digits, Grade 7, Volume 1, Homework Helper Unit A: Number and Operations Unit B: Expressions, Equations, and Relationships Unit C: Measurement and Geometry Unit D: Proportionality English/Spanish Glossary Formulas Math Symbols Formulas Measures Properties