Surface area of Cylinders

Presentation

•

Mathematics

•

7th Grade

•

Medium

•

CCSS

7.G.B.4

Standards-aligned

Benny Boyd

Used 26+ times

FREE Resource

10 Slides • 7 Questions

Surface Area of Cylinders

Objective:

Students will find the surface area of a cylinder.

Warm up:

What formula can be used to find the area of a rectangle?

What formula is used to find the area of a circle?

Surface Area = the area of all of the surfaces.

What shapes make up the surface of a cylinder?

https://www.geogebra.org/m/ktw8nhgu

r - radius
h - Heigh of the Cylinder

Multiple Choice

What is surface area?

Inside of the object

the sum of all the areas of all the shapes that cover the surface of the object.

Something Coach G made up?

Surface area is what you get when you boil unicorn tears.

Multiple Choice

The radius is ___________ of the diameter?

one-fourth

one - half

Multiple Choice

Determine the radius of the penny

59.66 mm

9.5 mm

38 mm

19 mm

Math Response

Find the amount of paper needed to make the label for the can of Sweet Peas to the nearest tenth.

Radius 1 in. and a height 2 in.

Type answer here

Deg^°

Rad

Multiple Choice

Find the Total Surface area of the cylinder.

62.8m

477.28 cm²

235.5 cm³

942 cm²

Multiple Choice

What formula would you use to find the total surface area?

$S=2\pi\cdot9\cdot11$

$S=2\pi\cdot9^2$

$S=2\pi\cdot9\cdot11+2\pi\cdot9^2$

$S=2\pi\cdot18^2$

Multiple Choice

Find the surface area of the figure. Don't forget to divide the diameter by 2 to find the radius. Round to the nearest tenth.

628.3 m²

1445.1 m²

1245 m²

816.8 m²

Surface Area of Cylinders

Objective:

Students will find the surface area of a cylinder.

Warm up:

What formula can be used to find the area of a rectangle?

What formula is used to find the area of a circle?

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