Rotations 2020

Presentation

•

Mathematics

•

7th Grade

•

Hard

•

CCSS

8.G.A.3, HSG.CO.A.5

Standards-aligned

Justin Adamson

Used 21+ times

FREE Resource

29 Slides • 6 Questions

Rotations 2020

Get out some graph paper and we will look at the rotation rules

Write these down

90 degree clockwise and 270 counterclockwise rotations are the same exact things
(x,y) becomes (y,-x)

180 degree rotations are EASY

(x,y) becomes (-x,-y)

90 degree counterclockwise and 270 clockwise are the same thing

(x,y) becomes (-y,x)

Multiple Choice

What is the definition of rotation?

To move up, down, left, or right.

To flip.

To make a circular movement around a point.

To mirror.

Multiple Choice

When you rotate 180 degrees the ( x , y ) becomes ?

( y , x )

( -y , x )

( -x , y )

( -x , -y )

Multiple Choice

Rotate the point (7,8) around the origin 90 degrees counterclockwise.
State the image of the point.

(-7,-8)

(8,-7)

(-8,7)

(8,7)

Multiple Choice

Rotate the point (-5,8) around the origin 270 degrees counterclockwise. State the image of the point.

(-8,5)

(8,-5)

(8,5)

(5,-8)

Multiple Choice

Triangle A is rotated 270° counterclockwise with the origin as the center of rotation to create a new figure. Which rule describes rotating 270° counterclockwise?

(x,y)→(y, -x)

(x,y)→(x,y)

(x,y)→(-y,x)

(x,y)→(-x,-y)

Multiple Choice

Rotate the point (-3,-4) around the origin 180 degrees. State the image of the point.

(-4,-3)

(-4,3)

(4,-3)

(3,4)

Use your graph paper on the following

Now it is time for IXL!

7th grade X.12

7th grade X.13

You will need your graph paper, rules, paper, and pencil to help complete these assignments.

Rotations 2020

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