Texas Go Math Grade 1 Lesson 15.1 Answer Key Two-Dimensional Shapes on Three-Dimensional Solids

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Texas Go Math Grade 1 Lesson 15.1 Answer Key Two-Dimensional Shapes on Three-Dimensional Solids

Explore

Use a cone.
$Texas Go Math Grade 1 Lesson 15.1 Answer Key 1$

FOR THE TEACHER • Read the following problem, and have children use the workspace to act it out. Lee places a cone on a piece of paper and draws around its flat surface. What does Lee draw?
Answer: Lee draws a flat surface with the help of a cone

Math Talk
Mathematical Processes

What other solid could you use to draw the same kind of picture? Explain.
Answer: A cylinder also has two flat surfaces, so the other solid object can be used is a cylinder to draw a flat surface like the cone.
$Texas Go Math Grade 1 Lesson 15.2 Answer Key Attributes of Three-Dimensional Solids_6$

Model and Draw

Trace around the flat surfaces of the three-dimensional solid to find the two-dimensional shapes.
$Texas Go Math Grade 1 Lesson 15.1 Answer Key 2$
Answer:
$Texas Go Math Grade 1 Lesson 15.1 Answer Key Two-Dimensional Shapes on Three-Dimensional Solids_1$

Share and Show

Use three-dimensional solids. Trace around the flat surfaces. Circle the shapes you draw.

Question 1.
$Texas Go Math Grade 1 Lesson 15.1 Answer Key 3$
Answer:
$Texas Go Math Grade 1 Lesson 15.1 Answer Key Two-Dimensional Shapes on Three-Dimensional Solids_2$

Question 2.
$Texas Go Math Grade 1 Lesson 15.1 Answer Key 4$
Answer:

Question 3.
$Texas Go Math Grade 1 Lesson 15.1 Answer Key 5$
Answer:
$Texas Go Math Grade 1 Lesson 15.1 Answer Key Two-Dimensional Shapes on Three-Dimensional Solids_3$

Problem Solving

Circle the objects you could trace to draw the shape.

Question 4.
$Texas Go Math Grade 1 Lesson 15.1 Answer Key 6$
Answer:
$Texas Go Math Grade 1 Lesson 15.1 Answer Key Two-Dimensional Shapes on Three-Dimensional Solids_4$

Question 5.
$Texas Go Math Grade 1 Lesson 15.1 Answer Key 7$
Answer:
$Texas Go Math Grade 1 Lesson 15.1 Answer Key Two-Dimensional Shapes on Three-Dimensional Solids_5$

Question 6.
H.O.T. Circle the solid that the pattern will make if you fold it and tape it together.
$Texas Go Math Grade 1 Lesson 15.1 Answer Key 8$
Answer: Cube will be formed if we fold the pattern and tape it together.

Question 7.
H.O.T. Multi-Step Draw two different shapes you could make if you traced this solid.
$Texas Go Math Grade 1 Lesson 15.1 Answer Key 9$
Answer:
$Texas Go Math Grade 1 Lesson 15.1 Answer Key Two-Dimensional Shapes on Three-Dimensional Solids_6$
Tracing triangular prism we can draw 2 different shapes which are a triangle and a rectangle.

Daily Assessment Task

Choose the correct answer.

Question 8.
Carl buys a toy for his cat. The top and the bottom of the toy looks like this. Which shows the shape of the toy?
$Texas Go Math Grade 1 Lesson 15.1 Answer Key 10$
$Texas Go Math Grade 1 Lesson 15.1 Answer Key 11$
Answer:
$Texas Go Math Grade 1 Lesson 15.2 Answer Key Attributes of Three-Dimensional Solids_6$
In cylinder shape both top and bottom is having flat surfaces, Carls buys a cylidrical shaped toy for his cat.

Question 9.
Analyze Donna buys a toy for her dog. Only the bottom of the toy looks like this. Which shows the shape of the toy?
$Texas Go Math Grade 1 Lesson 15.1 Answer Key 10$
$Texas Go Math Grade 1 Lesson 15.1 Answer Key 12$
Answer:
$Texas Go Math Grade 1 Lesson 15.2 Answer Key Attributes of Three-Dimensional Solids_5$
Cone is having only one flat surface, Donna buys a cone shaped toy for her dog.

Question 10.
Multi-Step Judy traces two sides of a solid. Draw the solid that she uses. Explain how you know that your answer is reasonable.
$Texas Go Math Grade 1 Lesson 15.1 Answer Key 13$
Answer:
$Texas Go Math Grade 1 Lesson 15.3 Answer Key More Three-Dimensional Solids_2$

Question 11.
Texas Test Prep Which flat surface does a cube have?
$Texas Go Math Grade 1 Lesson 15.1 Answer Key 14$
Answer: Cube has square shaped flat surface

TAKE HOME ACTIVITY • Collect a few three-dimensional objects that are shaped like spheres, cones, cylinders, and cubes. Ask your child what two-dimensional shapes are on those objects.
Answer: Three dimensional objects that are shaped like: sphere, cone, cylinder and cube.

Texas Go Math Grade 1 Lesson 15.1 Homework and Practice Answer Key

Look at the three-dimensional solid. Circle the shapes you would draw if you traced around the flat surfaces.

Question 1.
$Texas Go Math Grade 1 Lesson 15.1 Answer Key 15$
Answer:
$Texas Go Math Grade 1 Lesson 15.1 Homework and Practice Answer Key_7$
Cube has a flat squared surfaces.

Question 2.
$Texas Go Math Grade 1 Lesson 15.1 Answer Key 16$
Answer:
$Texas Go Math Grade 1 Lesson 15.1 Homework and Practice Answer Key_8$
Cylinder has 2 flat surfaces, one at the top and second at the bottom.

Problem Solving

Question 3.
Draw a shape you could make if you traced this cube.
$Texas Go Math Grade 1 Lesson 15.1 Answer Key 17$
Answer:
$Texas Go Math Grade 1 Lesson 15.4 Answer Key Three-Dimensional Solids_6$

Lesson Check

Choose the correct answer.

Question 4.
Maggie bakes a cake. The top and the bottom of the cake look like this. Which shows the shape of the cake?
$Texas Go Math Grade 1 Lesson 15.1 Answer Key 10$
$Texas Go Math Grade 1 Lesson 15.1 Answer Key 18$
Answer:
Cake has flat surface both at the top and bottom.

Question 5.
Multi-Step Michael makes a board game in the shape of a rectangle. He traces around two faces of a solid. Which solid does he trace?
$Texas Go Math Grade 1 Lesson 15.1 Answer Key 19$
$Texas Go Math Grade 1 Lesson 15.1 Answer Key 20$
Answer:
$Texas Go Math Grade 1 Lesson 15.4 Answer Key Three-Dimensional Solids_1$
A cuboid has rectangular faces.