Ch5 measuring angles




Grab your stuff

You have on your table:
- Your grid math notebook
- the worksheet
- A pen to write with
- protractor triangle
timer
2:00
Welcome
1 / 13
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Slide 1: Slide
WiskundeMiddelbare schoolhavoLeerjaar 1

This lesson contains 13 slides, with text slides.

time-iconLesson duration is: 45 min

Items in this lesson




Grab your stuff

You have on your table:
- Your grid math notebook
- the worksheet
- A pen to write with
- protractor triangle
timer
2:00
Welcome

Slide 1 - Slide

Today's goal is...
To measure angles with a protractor triangle

Slide 2 - Slide

Let's recall...
What types of angles do we know already? 

do we remember the dutch words ?

Slide 3 - Slide

Slide 4 - Slide

Slide 5 - Slide

Slide 6 - Slide

How to measure? 
  1.  Grab your protractor
  2. Place the 0 baseline in the vertex
  3. Check if the protractor base aligns with a ray 
  4. Think: acute or obtuse?
  5. Read the degree intersecting the other ray
  6. Write ∠ A = ......

Slide 7 - Slide

Let's do some exercises
timer
10:00
What?
do exercises 2, 5, 7
Where?
on the worksheet
How?
-Whisper and draw on the worksheet
-Use pencil and protractor triangle
Time?
Help?
-See blue and orange boxes
-Raise your hand
Not done?
Then it will be homework
Done?
do exercise  8
Tip 1
Make the rays longer
Tip 2
Full angle is 360 degrees
Tip 3
Write ∠ A = ......
  1.  Grab your protractor
  2. Place the 0 baseline in the vertex
  3. Check if the protractor base aligns with a ray 
  4. Think: acute or obtuse?
  5. Read the degree intersecting the other ray
  6. Write ∠ A = ......

Slide 8 - Slide

Slide 9 - Slide

Slide 10 - Slide

Slide 11 - Slide

grab your planner

Homework from the worksheet
exercise 2, 5, 7

SO Chapter 5 Angles  (1x)   28 March 2023
timer
1:00

Slide 12 - Slide

Lesson wrap up
What did we learn today?

Slide 13 - Slide