G4 L15-1 Lines, Rays, and Angles

Lesson 15-1 Lines, Rays, and Angles

Lesson Objective

Recognize and draw lines, rays, and angles with different measures.

Essential Question

What are some common geometric terms?

Open Ended

What do you see? What is this?

Open Ended

What would happen if 2 points were connected?

https://edpuzzle.com/assignments/605c41d54f205b423cbe2d24/students

https://wordwall.net/resource/13389866/geometry-basics

Investigation

Spot points and line segments around you in the room and share an example of each.

SIMON SAYS

• Use your hands and arms to form different geometric figures.  

• When forming lines and segments, use an open, pointed hand to represent an arrow, and a closed fist to represent a point. 

• Form a POINT!

  Form a LINE SEGMENT !

  Form a RAY!

  Form two POINTS!

  Form two INTERSECTING RAYS!

Open Ended

Today's Lesson Tweet!

What did you learn today?

What did you find challenging?

Open Ended

What would we get when two rays intersect with a common endpoint?

https://edpuzzle.com/media/605c49f6748a8142b821be61

Quiz Time

10 picture questions

on types of angles

30 seconds per question

Multiple Choice

• acute angle

• right angle

• obtuse angle

Multiple Choice

• acute angle

• right angle

• obtuse angle

Multiple Choice

• acute angle

• right angle

• obtuse angle

Multiple Choice

• acute angle

• right angle

• obtuse angle

Multiple Choice

• acute angle

• right angle

• obtuse angle

Multiple Choice

• acute angles

• right angles

• obtuse angles

Multiple Choice

• acute angle

• right angle

• obtuse angle

Multiple Choice

• acute angle

• right angle

• obtuse angle

Multiple Choice

• acute angle

• right angle

• obtuse angle

Multiple Choice

• acute angles

• right angles

• obtuse angles

SIMON SAYS

• Use your hands and arms to form different geometric figures.  

• Form a POINT!

  Form a LINE SEGMENT !

  Form a RAY!

  Form two POINTS!

  Form an ANGLE!

  Form a RIGHT ANGLE!

  Form an ACUTE ANGLE!

  Form an OBTUSE ANGLE!

  Form a STRAIGHT ANGLE!

Open Ended

Today's Lesson Tweet!

What did you learn today?

What did you find challenging?