Rotation (Handout & Homework)

A rotation​ (a)   a figure around a fixed point called the center of rotation.

• turns
• flips
• slides
• enlarges
• reduces

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

For our examples, the center of rotation will be the ​ (a)   and we'll rotate in increments of ​ (b)  

• origin
• x-axis
• y-axis

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Triangle A is rotated 90° clockwise with the origin as the center of rotation to create a new figure. Which rule describes rotating 90° clockwise?

• (x,y)→(y, -x) 
• (x,y)→(-x,-y)
• (x,y)→(-y,x)
• (x,y)→(x,y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Triangle A is rotated 270° clockwise with the origin as the center of rotation to create a new figure. Which rule describes rotating 90° clockwise?

• (x,y)→(y, -x) 
• (x,y)→(-x,-y)
• (x,y)→(-y,x)
• (x,y)→(x,y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Triangle C is rotated 180° clockwise with the origin as the center of rotation to create a new figure. Which rule describes rotating 180° clockwise?

• (x,y)→(y, -x) 
• (x,y)→(-x,-y)
• (x,y)→(x,y)
• (x,y)→(-y,x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which way has this F been rotated

• Up

• Across

• Clockwise

• Anit-clockwise

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which image is rotating clockwise?

• 
• 

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which image is rotating counterclockwise?

• 
• 

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

• True

• False

Answer explanation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

• True

• False

Answer explanation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5