Refer to our Texas Go Math Grade 1 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 1 Lesson 15.3 Answer Key More Three-Dimensional Solids.
Texas Go Math Grade 1 Lesson 15.3 Answer Key More Three-Dimensional Solids
Explore
Draw to sort the three-dimensional solids.
Answer:
FOR THE TEACHER • Have children sort the three-dimensional solids into two groups. Have them draw around each group to show how they sorted.
Answer:
Math Talk
Mathematical Processes
Explain how you sorted the solids.
Answer:
Sorted the solids by differentiating the 3-dimensional objects with 1 flat surface and 2 flat surfaces.
Model and Draw
Look at the faces, the vertices, and the edges of these solids.
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.
Share and Show
Use rectangular prisms, cubes, and triangular prisms. Sort the solids into groups. Name and draw the solids.
Question 1.
6 faces
Answer: Cube
Question 2.
5 faces
Answer: Triangular Prism
Question 3.
9 edges
Answer: Triangular Prism
Question 4.
8 vertices
Answer: Rectangular Prism
Problem Solving
Use three-dimensional solids. Write how many.
Question 5.
__________ faces
__________ edges
__________ vertices
Answer: Cube
Question 6.
__________ faces
__________ edges
__________ vertices
Answer: Triangular Prism
Question 7.
__________ faces
__________ edges
__________ vertices
Answer: Cuboid
Question 8.
H.O.T. How many faces of a cube are squares?
__________ faces
Answer: Six faces
Explanation:
A cube is a 3- dimensional solid object bounded by six square faces.
Question 9.
H.O.T. Multi-Step Which solid has some faces that are triangles and some faces that are rectangles? Explain.
Answer: Triangular Prism
Explanation:
A triangular prism has 5 faces in which 2 are triangular faces and 3 are rectangular faces.
Daily Assessment Task
Choose the correct answer.
Question 10.
Representations Terri uses this block to build a house. What ¡s the solid?
(A) cube
(B) rectangular prism
(C) cylinder
Answer:
Rectangular Prism
Explanation:
A rectangular prism has rectangular faces
Question 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?
Answer:
Question 12.
Multi-Step Louis builds an object with only triangles and rectangles. Which object does he build?
Answer:
Question 13.
Texas Test Prep Which solid has 5 faces?
Answer:
Explanation:
A triangular prism has 5 faces in which 2 of them are triangular faces and 3 of them are rectangular faces.
HOME CONNECTION • Ask your child to name red objects shaped like a rectangular prism, a cube, and a triangular prism.
Answer:
Rectangular prism – red colored domino,
Cube – red rubiks cube,
Triagular prism – red colored camping tent.
Texas Go Math Grade 1 Lesson 15.3 Homework and Practice Answer Key
Name and draw a solid to match.
Question 1.
5 faces
Answer: Triangular Prism
Question 2.
8 vertices
Answer: Rectangular prism
Problem Solving
Question 3.
How many faces of a triangular prism are rectangles?
__________ faces
Answer: 3 faces
Explanation:
A triangular prism has a total of 5 faces in which 2 of them are triangular faces and 3 of them are rectangular faces.
Question 4.
How many faces of a triangular prism are rectangles?
_________ faces
Answer: 3 faces
Explanation:
A triangular prism has a total of 5 faces in which 2 of them are triangular faces and 3 of them are rectangular faces.
Question 5.
How many faces of a triangular prism are triangles?
__________ faces
Answer:
Explanation:
A triangular prism has a total of 5 faces in which 2 of them are triangular faces and 3 of them are rectangular faces.
Lesson Check
Choose the correct answer.
Question 6.
Sam finds a small cube. He counts the vertices How many does he count?
(A) 5
(B) 6
(C) 8
Answer: A cube has 8 vertices, Sam counts 8 vertices in a cube.
Question 7.
Jackie chooses a triangular prism. She counts the edges. How many edges does she count?
(A) 9
(B) 12
(C) 6
Answer: A triangular prism has 9 edges, Jackie counts 9 edges in a triangular prism.
Question 8.
Multi-Step How many more vertices does a cube have than a triangular prism?
(A) 1
(B) 2
(C) 8
Answer: A cube has 8 vertices and a triangular prism has 6 vertices.
Question 9.
Which solid has 9 edges?
Answer: A triangular prism has 9 edges.