Lines of Symmetry

Presentation

•

Mathematics

•

4th Grade

•

Easy

•

CCSS

4.G.A.3

Standards-aligned

Blair Landes

Used 14+ times

FREE Resource

7 Slides • 1 Question

Lines of Symmetry

Virtual

Objective: Identify and draw one or more lines of symmetry, if they exist, for a two-dimensional figure

Let's Show What You Know!

https://www.youtube.com/watch?v=SJlhywRfvh8

Open Ended

Please write your definition of what symmetry is in your on words, and also write your definition of line of symmetry is in your own words. (Four sentences max)

Type response here

Instructional Delivery

Let's talk about Lines of Symmetry
Definition: A line of symmetry is when a shape can be cut in half.
Video: https://www.youtube.com/watch?v=SJlhywRfvh8

Example

Square: Four Lines of Symmetry

With Your Group!

You will work with your group to draw lines of symmetry on a triangle. I will be coming into the break-out rooms to check in your progress with your group.

Independent Practice

Now you will draw a two-dimensional shape by yourself, and draw the lines of symmetry on that shape.

Closure/Exit Ticket

As you complete our online lesson, you will fill out a KWL chart in the chat box of this zoom meeting. You will write two things you knew before the lesson, two things during the lesson, and two things you learned.

Lines of Symmetry

Virtual

Objective: Identify and draw one or more lines of symmetry, if they exist, for a two-dimensional figure

Show answer

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