Transcript Document

How can we represent
three-dimensional figures
in only two dimensions?
In this lesson you will
learn how to represent
three-dimensional figures
with nets by analyzing their
faces and bases.
Let’s
Review
Let’s
Review
One-Dimensional
line
segment
Two-Dimensional
rectangle
triangle
Let’s
Review
Let’s
Review
A three-dimensional figure has a
length, a width, and a height.
CoreReview
Lesson
Let’s
A net is a two-dimensional pattern of
a three-dimensional figure, that can
be folded to form the figure.
CoreReview
Lesson
Let’s
Identify the net that we could fold in
order to create this 3D figure.
CoreReview
Lesson
Let’s
CoreReview
Lesson
Let’s
2 triangle bases,
3 rectangle faces
CoreReview
Lesson
Let’s
Match the 3D figure to the right with
its appropriate net, below.
A
4 triangle faces,
1 rectangle base
B
C
2 triangle bases,
3 rectangle faces
2 triangle bases,
4 rectangle faces
CoreReview
Lesson
Let’s
Match the 3D figure to the right
with its appropriate net.
A
B
C
In this lesson you have
learned how to represent
three-dimensional figures
with nets, by analyzing their
faces and bases.
Guided
Practice
Let’s
Review
Draw a net for this rectangular prism.
Faces?
• 6 faces
• 4 rectangles
• 2 squares
Extension
Let’s
ReviewActivities
Kennedy’s teacher asked her to draw the
net of a rectangular prism. She drew the
image, below. Explain to Kennedy what
she did incorrectly.
Extension
Let’s
ReviewActivities
A dodecahedron is a 3D solid with 12 flat
faces. Can you draw the net for this
dodecahedron?
Quick Quiz
Let’s
Review
Draw a net for a cube.
Draw a net for this square pyramid.