Math Transformations (Definitions) Review

Math Transformations Review

​7/8 Advanced Class

Poll

You have 5 minutes to review before we start!

• I reviewed the Transformation Packet

• I reviewed the Reteach packet (when Ms. G was sub)

• I reviewed any other materials.

• I am ready to start reviewing.

NO PACKETS AND NO CHEATING PLEASE!!!!

Remember this is for your benefit to study. If you cheat that is only harming yourself?

Math Review Starts NOW!

Good Luck! Remember please no cheating or bending the rules!

Open Ended

What is the definition of a Transformation?

Remember that a Transformation is the main category then a Translation, Reflection, and Rotation are sub-categories.

Additional Info

A change in the size or position of a figure.

Definition

Transformation Info

This is similar to the definition of congruent but they are DIFFERENT. Make sure you know BOTH the definitions of Transformation and Congruent.

Open Ended

What is the definition of Translation?

Remember a translation (slide) left or down means y - ____ or x - ____. However, a translation (slide) right or up means y + _____ or x + ______.​

Additional Info

A movement (slide) of a figure along a straight line.​

Definition

Translations (slide) Info

Make sure you know the formulas in additional info. You might need it later ;).

Open Ended

What if the definition of Reflection?

A flip can be over the x-axis (horizontal line) or y-axis (vertical line).​ If your flipping over the x-axis, x stays the same, and y changes to the opposite. If your flipping over the y-axis, y stays the same, and x changes to the opposite.

​Subheader text

A transformation of a figure that flips across a line.​

Definition

Reflection (flip) Info

Make sure you know the formulas in additional info. You might need it later ;).

Open Ended

What is the definition of Rotation?

90° clockwise/270° counterclockwise = (y, -x).

180°clockwise/180° counterclockwise = (-x,-y).

270° clockwise/90° counterclockwise = (-y, x).

​

Also, the negative sign means the opposite NOT that the number changes to a negative. For example, the opposite of 2 is -2 or the opposite of -9 is 9.​

​Subheader text

A transformation of a figure that is turned around a point.

Definition

Rotation (flip) Info

Make sure you know the formulas in additional info. You might need it later ;).

Multiple Select

Which type of transformation leads to congruent shapes? (Select more than one if needed)

• Slide

• Flip

• Turn

• Dialation

Multiple Choice

Which transformation leads to similar shapes (don't need to know for quiz)

• Slide

• Flip

• Turn

• Dialation

Open Ended

What is the definition of Congruent?

All shapes that are Flipped, Slid, or Turned should remain Congruent.​

Additional Info

Two shapes are congruent if they have the same size and shape.​

Definiton

Congruent Info

Make sure you know the formulas in additional info. You might need it later ;).

The End of Definitions Review.

For example problems review click on the link on the next slide.