Name
15.3
HANDS ON
?
More ThreeDimensional Solids
Essential Question
Geometry and
Measurement—1.6.B,
1.6.E
MATHEMATICAL PROCESSES
1.1.D, 1.1.E, 1.1.F, 1.1.G
How can you identify and describe rectangular
prisms, cubes, and triangular prisms?
Explore
Explore
Hands
On
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Draw to sort the three-dimensional solids.
Math Talk
Mathematical Processes
FOR THE TEACHER • Have children sort the
three-dimensional solids into two groups. Have
them draw around each group to show how
they sorted.
Module 15
Explain how you
sorted the solids.
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Model
Model and
and Draw
Draw
Look at the faces, the vertices,
and the edges of these solids.
Why is cube a
special kind of
rectangular prism?
rectangular
prism
THINK
A face is a flat surface
of a solid.
An edge is where 2
faces meet.
A vertex is where 3
or more edges meet.
cube
triangular prism
Share
Share and
and Show
Show
1. 6 faces
2. 5 faces
3. 9 edges
4. 8 vertices
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Use rectangular prisms, cubes, and triangular prisms.
Sort the solids into groups.
Name and draw the solids.
Name
Problem
Problem Solving
Solving
Use three-dimensional solids. Write how many.
Solid
Number of
Faces
5.
faces
—
edges
—
vertices
—
faces
—
edges
—
vertices
—
faces
—
edges
—
vertices
7.
How many faces of a
cube are squares?
—
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9.
Number of
Vertices
—
6.
8.
Number of
Edges
faces
Multi-Step Which solid has some
faces that are triangles and some faces that
are rectangles? Explain.
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Mathematical Processes
M
Daily
Daily Assessment
Assessment Task
Task
Model ¥ Reason ¥ Communicate
M
Choose the correct answer.
10. Representations Terri uses this block to
build a house. What is the solid?
cube
rectangular prism
cylinder
11. Johnny builds a birdhouse. It has 6 faces.
The faces are all squares that are the same
size. Which shows the shape of Johnny’s
birdhouse?
12. Multi-Step Louis builds an object with only
triangles and rectangles. Which object
does he build?
TEXAS Test Prep Which solid has 5 faces?
HOME CONNECTION • Ask your child to name real objects shaped like
a rectangular prism, a cube, and a triangular prism.
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13.
Geometry and Measurement—1.6.B, 1.6.E
MATHEMATICAL PROCESSES 1.1.D, 1.1.E, 1.1.F, 1.1.G
Homework
and Practice
15.3
Name
More Three-Dimensional Solids
HANDS ON
rectangular
prism
triangular
prism
cube
Name and draw a solid to match.
1. 5 faces
2. 8 vertices
Problem
Problem Solving
Solving
3. How many faces of a cube are squares? — faces
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4. How many faces of a triangular prism
are rectangles?
—
faces
—
faces
5. How many faces of a triangular prism
are triangles?
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Lesson
Lesson Check
Check
TEXAS Test Prep
Choose the correct answer.
6. Sam finds a small cube. He counts the vertices.
How many does he count?
5
6
8
7. Jackie chooses a triangular prism. She counts
the edges. How many edges does she count?
9
12
6
8. Multi-Step How many more vertices does
a cube have than a triangular prism?
1
2
9. Which solid has 9 edges?
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