Shape Explorers: Discovering 3D Shapes!

Math Grades 1st Grade 3:48 Video
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Lesson Description

Let's learn about 3D shapes like cubes and spheres! We'll find out about their faces, edges, and vertices. Get ready to become a shape expert!

Video Resource

3D Shapes and Their Attributes - 1st Grade Math (1.GA.1)

Boddle Learning

Duration: 3:48
Watch on YouTube

Key Concepts

  • 3D shapes have length, width, and height.
  • Faces are flat surfaces on a 3D shape.
  • Edges are lines where two faces meet.
  • Vertices are points where edges meet.

Learning Objectives

  • Students will be able to identify common 3D shapes (cube, sphere, rectangular prism, square pyramid, triangular prism).
  • Students will be able to count the number of faces, edges, and vertices on a given 3D shape.

Educator Instructions

  • Introduction (5 mins)
    Begin by asking students what they already know about shapes. Show them examples of 2D shapes (square, circle, triangle) and ask them what makes them different from a ball or a box. Introduce the concept of 3D shapes having 'depth'.
  • Video Viewing (7 mins)
    Play the Boddle Learning video '3D Shapes and Their Attributes - 1st Grade Math (1.GA.1)'. Instruct students to pay close attention to the definitions of faces, edges, and vertices.
  • Shape Exploration (10 mins)
    Provide students with physical models of the 3D shapes featured in the video (cube, sphere, rectangular prism, square pyramid, triangular prism). Have them work in small groups to count the faces, edges, and vertices of each shape. Guide them to use the correct vocabulary. Provide a worksheet with a table for recording their findings.
  • Shape Creation (10 mins)
    Provide students with building materials like straws and playdough. Have them construct the skeletons of different 3D shapes using the straws as edges and the playdough as vertices. This will reinforce their understanding of these components.
  • Wrap-up and Review (3 mins)
    Review the key concepts of the lesson. Ask students to give examples of real-world objects that resemble the 3D shapes they learned about. Briefly preview the quiz.

Interactive Exercises

  • Shape Sort
    Provide students with a collection of images and real-world objects. Have them sort the items into groups based on their 3D shape. For example, a soccer ball goes in the 'Sphere' group, and a tissue box goes in the 'Rectangular Prism' group.
  • Mystery Shape
    Describe a 3D shape by its attributes (e.g., 'I have 6 faces, 12 edges, and 8 vertices. All my faces are squares. What am I?'). Have students guess the shape.

Discussion Questions

  • What is the difference between a flat shape (like a square) and a 3D shape (like a cube)?
  • Can you think of something in our classroom that is shaped like a sphere?
  • Why is it important to know the names of different shapes?

Skills Developed

  • Shape recognition
  • Counting
  • Spatial reasoning
  • Vocabulary development

Multiple Choice Questions

Question 1:

Which shape is like a ball?

Correct Answer: Sphere

Question 2:

What do we call the flat sides of a shape?

Correct Answer: Faces

Question 3:

A cube has all its faces as...

Correct Answer: Rectangles

Question 4:

What is the point where the edges meet called?

Correct Answer: Vertex

Question 5:

How many faces does a cube have?

Correct Answer: 6

Question 6:

Which of these has no faces, edges, or vertices?

Correct Answer: Sphere

Question 7:

A line where two faces meet is called...

Correct Answer: Edge

Question 8:

Which shape has a square for a base and comes to a point?

Correct Answer: Square Pyramid

Question 9:

A triangular prism is made of triangles and...

Correct Answer: Rectangles

Question 10:

How many edges does a cube have?

Correct Answer: 12

Fill in the Blank Questions

Question 1:

A cube has 6 flat ______.

Correct Answer: faces

Question 2:

A ball is shaped like a ________.

Correct Answer: sphere

Question 3:

The corners of a shape are called _________.

Correct Answer: vertices

Question 4:

The lines where the flat sides meet are called ________.

Correct Answer: edges

Question 5:

A _______ pyramid has a square at the bottom.

Correct Answer: square

Question 6:

A triangular prism has two _______ faces.

Correct Answer: triangle

Question 7:

A cube has all _______ faces.

Correct Answer: square

Question 8:

A rectangular prism has ____ faces.

Correct Answer: six

Question 9:

A sphere has zero _______.

Correct Answer: vertices

Question 10:

The sides of a shape are called ________.

Correct Answer: faces

Educational Standards

CCSS.Math.Content.1.G.A.1:Distinguish between defining attributes (e.g., triangles are closed and three-sided) versus non-defining attributes (e.g., color, orientation, overall size); build and draw shapes to possess defining attributes. CCSS.Math.Content.1.G.A.2:Compose two-dimensional shapes (rectangles, squares, trapezoids, triangles, half-circles, and quarter-circles) or three-dimensional shapes (cubes, right rectangular prisms, right circular cones, and right circular cylinders) to create a composite shape, and compose new shapes from the composite shape. (Students do not need to learn formal names such as "right rectangular prism.")

Teaching Materials

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