Circle Areas and Circumference

Presentation

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Mathematics

•

7th Grade

•

Medium

•

CCSS

7.G.B.4, HSG.C.A.2, HSG.GPE.A.1

Standards-aligned

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4 Slides • 9 Questions

Circle Areas and Circumference

By: Mr. Mansour

Radius = Un media parte del circulo (1/2 the circle distance)
Diametre = En todo el circulo (the full circle)
Circumference = Alrededor de todo el circulo (distance around the circle)

Mira a la gif

Radius, Diameter, Circumference

Fill in the Blanks

Que es el radius?

Type answer...

Multiple Choice

Que es la diametre?

8cm

16cm

10cm

4cm

Multiple Choice

What is the radius of this circle?

18in

36in

9in

6in

Draw

Dibuje un circulo con un diametre de 12cm

Fill in the Blanks

Que es la radius de este circulo? (Recuerda - radius es media del circulo)

Type answer...

C = 3.14 x diameter

C = 3.14 x radius x 2

Mira al gif

Circumference

Fill in the Blanks

Busque la circumferencia (el foto es un circulo)

Type answer...

Fill in the Blanks

Busque la circumferencia (usa un valor de decimal)

Type answer...

Area = π × radius²

Ex. - A = π × 5²

A = π × 25

A = 78.5

* 5²no es 5x2

* 5²es 5x5

Some text here about the topic of discussion.

Area of circle

Multiple Choice

Find the area of the circle

43.96 units²

153.86 units²

87.82 units²

307.72units²

Multiple Choice

What is the area of this circle?

452.39 cm²

139.12 cm²

113.1 cm²

84.23 cm²

Circle Areas and Circumference

By: Mr. Mansour

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