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More Three- Dimensional Solids
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More Three- Dimensional Solids
and the edges of these solids. Use rectangular prisms, cubes, and triangular prisms. Sort the solids into groups. Name and draw the solids. rectangula...
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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
© Houghton Mifflin Harcourt Publishing Company
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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© Houghton Mifflin Harcourt Publishing Company
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? —
© Houghton Mifflin Harcourt Publishing Company
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.
Module 15 • Lesson 3
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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
© Houghton Mifflin Harcourt Publishing Company
4. How many faces of a triangular prism
are rectangles?
—
faces
—
faces
5. How many faces of a triangular prism
are triangles? Module 15
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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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