Exploring Cross Sections of 3D Shapes

The video tutorial introduces students and parents to 3D shapes and their cross-sections. It covers how horizontal and vertical cross-sections of different shapes like pyramids, spheres, and cones result in various 2D shapes. The tutorial includes an interactive activity to help students identify cross-sections and concludes with information on additional resources and Schoology lessons.

What shape results from a horizontal cross-section of a 3D pyramid?

• Square or Rectangle

• Triangle

• Hexagon

• Circle

Tags

CCSS.7.G.A.3

What shape is obtained from a vertical cross-section of a 3D pyramid?

• Square

• Rectangle

• Triangle

• Circle

Tags

CCSS.7.G.A.3

What consistent shape do you get from any cross-section of a sphere?

• Square

• Circle

• Triangle

• Rectangle

Tags

CCSS.7.G.A.3

What shape results from a horizontal cross-section of a column?

• Rectangle

• Circle

• Square

• Triangle

Tags

CCSS.7.G.A.3

What shape is formed from a vertical cross-section of a cone?

• Circle

• Rectangle

• Triangle

• Square

Tags

CCSS.7.G.A.3

Which 3D shape is associated with having a circular cross-section regardless of the direction of the cut?

• Pyramid

• Prism

• Sphere

• Cone

Tags

CCSS.7.G.A.3

What term is used synonymously with 'horizontal cross-section'?

• Perpendicular

• Parallel

• Vertical

• Diagonal

Tags

CCSS.7.G.A.3

If a vertical cross-section is taken of a cylinder, what shape is obtained?

• Triangle

• Square

• Circle

• Rectangle

Tags

CCSS.7.G.A.3

What interactive method was suggested for students to explore 3D shapes?

• Eye gazing and pointing

• Physical manipulation

• Drawing

• Using a computer model

Tags

CCSS.HSG.MG.A.1

Where can students access additional practice materials for this lesson?

• In the textbook

• On a website

• Schoology

• Library