Cross Section Lesson

Presentation

•

Mathematics

•

7th Grade

•

Medium

•

CCSS

7.G.A.3, 1.G.A.1, 2.G.A.1

Standards-aligned

Amber Moody

Used 154+ times

FREE Resource

5 Slides • 16 Questions

Cross Sections

What is a cross section?

-- a surface or shape that is or would be exposed by making a straight cut through something

Multiple Choice

What is the base shape of a triangular pyramid?

triangle

circle

rectangle

octagon

Multiple Choice

What is the base shape of a square prism?

triangle

square

rectangle

octagon

Multiple Choice

What is the base shape of a cylinder?

circle

square

rectangle

octagon

If the cut is parallel to the base, the resulting cross section will be the same shape as the base.

The shapes to the right are all being cut parallel to the base.

Parallel to the Base

Direction of the Cross Section

If the cut is perpendicular to the base, the resulting cross section will be the same shape as the face.

The shapes to the left are all being cut perpendicular to the base(s).

Perpendicular to the Base

Direction of the Cross Section

Multiple Choice

Cutting a 3-D shape perpendicular to its base will result in the base shape.

TRUE

FALSE

Multiple Choice

What best describes the two-dimensional shape created when a triangular prism is cut parallel to its bases?

square

rectangle

circle

triangle

Multiple Choice

What best describes the two-dimensional shape created when a triangular prism is cut perpendicular to its bases?

square

rectangle

circle

triangle

Multiple Choice

Describe the cross section.

rectangle

square

parallelogram

circle

Multiple Choice

Describe the cross section.

rectangle

trapezoid

oval

parallelogram

Multiple Choice

Describe the cross section.

trapezoid

triangle

rectangle

square

Multiple Choice

What shape will the horizontal cross-section of a cone be?

Dome

Circle

Pyramid

Triangle

Multiple Choice

What shape does this cross section make?

circle

Trapezoid

Rectangle

Parallelogram

Multiple Choice

What cross-section is formed by slicing through a cube parallel to any face?

rectangle

parallelogram

square

triangle

Multiple Choice

William is drawing pictures of cross sections of the right circular cone above.

Which drawing can not be a cross section of a cone?

Multiple Choice

A plane intersects a hexagonal prism. The plane is perpendicular to the base of the prism. Which two-dimensional figure is the cross section of the plane intersecting the prism?

triangle

trapezoid

hexagon

rectangle

Multiple Choice

A right hexagonal prism is shown below. A two-dimensional cross section that is perpendicular to the base is taken from the prism.

Which figure describes the two-dimensional cross section?

triangle

rectangle

pentagon

hexagon

Multiple Choice

What shape will the vertical cross -section of a cylinder be?

Circle

Triangle

Rectangle

Ellipse

Cross Section: A cross section is like a slice of a 3-D figure. If you slice through a 3-D figure, the cross section is the shape of the slice.

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Cross Sections

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