Textbook - page 10Lined paper

VocabularyVocabularyAn isometric drawing of a three dimensional object shows three sides of a figure from a corner view.

Workbook – page 4

Textbook - page 10Dot paper

VocabularyVocabularyWorkbook – page 4

An orthographic drawing of a three dimensional object shows top view, front view, and right side view

Textbook - page 11Dot paper

Make an orthographic drawing of the isometric drawing below.

Orthographic drawings flatten the depth of a figure. An orthographic

drawing shows three views. Because no edge of the isometric drawing is

hidden in the top, front, and right views, all lines are solid.

Quick Check

Drawings, Nets, and Other ModelsLESSON 1-2 Workbook – page 4

VocabularyVocabularyWorkbook – page 4

An foundation drawing shows the base of a structure.

VocabularyVocabularyWorkbook – page 4

A net is a two-dimensional pattern you can fold to form a three dimensional

Textbook - page 12Lined paper

Draw a net for the figure with a square base and four isosceles triangle

faces. Label the net with its dimensions.

Think of the sides of the square base as

hinges, and “unfold” the figure at these

edges to form a net. The base of each of

the four isosceles triangle faces is a side

of the square.

Drawings, Nets, and Other ModelsLESSON 1-2

Quick Check

Workbook – page 4

Workbook – page 4

Draw a different net for the box.

Textbook - page 12Lined paper