Reflectional Symmetry

Reflectional Symmetry

By Rasyida UM

THEME 7 SUBTHEME 1

Definition ...

Reflectional symmtery is a type of symmetry where one-half of the object reflects the other half of the object. It is also known as mirror symmetry.

Some text here about the topic of discussion

​Some text here about the topic of discussion.

Examples of Reflectional symmetry

Observe the following example

Multiple Choice

How many lines of symmetry does the picture have? 

• 0 lines of symmetry
• 1 line of symmetry
• 2 lines of symmetry
• 3 lines of symmetry

Multiple Choice

Which of the following shapes show a line of symmetry?

Multiple Choice

Which shapes are symmetrical?

Multiple Choice

A figure has _______ symmetry when a line (or lines) divide the shape into two equal parts.

• Line

• Rotational

• Point

Multiple Choice

Which shape does NOT have rotational symmetry?

• A
• B
• C
• D

Multiple Choice

How many lines of symmetry does a square have?

• 1

• 2

• 4

• 8

Fill in the Blanks

A rectangle has ... reflectional symmetries.

Draw

Draw a 2D figure and the line of symmetry that it has.

Open Ended

After learning reflectional symmetry, write the information that you got from the lesson today about reflectional symmetry.

Poll

What do you think about your understanding of reflectional symmetry today?

• i don't know

• i'm not sure

• ok!

• i got it!