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 15.4 Answer Key Three-Dimensional Solids.

## Texas Go Math Grade 1 Lesson 15.4 Answer Key Three-Dimensional Solids

**Unlock the Problem**

Emma wants to draw an object for this riddle.

I am a toy.

I have only a curved surface.

Answer: Sphere

**Read**

What information am I given?

The object is a toy with only a ___________ surface.

**Plan**

What is my plan or strategy?

I can ____________

**Solve**

Show how you solve the problem.

I look at the solids that have a curved surface.

A sphere has only a curved surface.

A ball is a toy that ¡s a sphere.

Answer: Circle

A circle has only a curved surface.

**HOME CONNECTION** • Your child solved this problem by looking at models of three-dimensional solids and finding a model with only a curved surface.

Answer:

**Try Another Problem**

Draw an object for the riddle. Use models of solids to help you.

Question 1.

I am a block.

I have 6 faces that are squares.

Draw me.

Answer: Cube

Explanation:

A cube has 6 faces that are squares.

Question 2.

I am a hat.

I have I flat surface.

I have I curved surface.

Draw me.

Answer:

Cone

Explanation:

A cone has 1 flat surface and 1 curved surface.

Question 3.

I am a box.

I have 2 faces squares.

I have 4 faces rectangles.

Draw me.

Answer:

A cuboid has 2 faces squares and 4 faces rectangles.

**Math Talk**

**Mathematical Processes**

How does making a model help you solve a riddle?

Answer:

Making a model helps to solve a riddle to perform the best and make it as a easy way of understanding.

**Share and Show**

**Draw an object for the riddle. Use models of solids to help you.**

Question 4.

I am a can.

I have 2 flat surfaces.

I have I curved surface.

Draw me.

Answer:

Cylinder

A cylinder gas 2 flat surfaces and 1 curved surface.

**Problem Solving**

Question 5.

**H.O.T.**

I am a box.

I have 2 faces that are triangles.

I have 3 faces that are rectangles.

Draw me.

Answer:

Triangular Prism

Explanation:

A triangular prism has 2 faces triangles and 3 faces rectangles.

Question 6.

**H.O.T. Multi-Step**

I am a block.

I have 6 faces.

I have 8 vertices.

Draw two different blocks I could be.

Answer: Cube

A cube has 6 faces and 8 vertices.

**Daily Assessment Task**

**Choose the correct answer.**

Question 7.

**Analyze** Tim has a toy that is shaped like a sphere. Which toy does Tim have?

Answer:

A ball is a sphere shaped toy, Tim have a ball as a toy.

Question 8.

Mari picks a block with flat and curved surfaces. Which block does she pick?

Answer:

A cylinder has both flat and curved surfaces, Mari picks cylinder.

Question 9.

**Multi-Step** David puts two blocks together to make a rectangular prism. Which blocks does David use?

Answer:

To make a rectangular prism David need to use cubes.

Question 10.

**Texas Test Prep** Which solid is a triangular prism?

Answer:

A triangular prism is a 3D shape with two identical faces in the shape of a triangle joined with three triangles.

**HOME CONNECTION** • Have your child explain how he or she solved one of the problems in this lesson.

Answer:

### Texas Go Math Grade 1 Lesson 15.4 Homework and Practice Answer Key

**Draw an object for the riddle.**

Question 1.

I have a curved surface.

I have no flat surfaces.

Draw me.

Answer:

A sphere has 1 curved surface and no flat surface

Question 2.

I am a block.

I have I flat surface.

I have I curved surface.

Draw me.

Answer:

Cone

Explanation:

A cone has 1 flat surface and 1 curved surface.

**Problem Solving**

Question 3.

I am a block.

I have 3 faces that are rectangles.

I have 2 faces that are triangles.

Draw me.

Answer:

Triangular Prism

Explanation:

A triangular prism has 2 faces triangles and 3 faces rectangles.

**Lesson Check**

**Choose the correct answer.**

Question 4.

Wendy finds a toy that is shaped like a cube. Which toy does Wendy find?

Answer: A Block shaped like a cube

Question 5.

**Multi-Step** Winston puts four blocks together to make a tall cylinder. Which blocks does Winston use?

Answer: Cylinder

Question 6.

Which solid is a rectangular prism?

Answer: A rectangular prism has six faces, and all the faces are in rectangle shape and have twelve edges.