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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
volgende
Slide 1:
Tekstslide
Wiskunde
Middelbare school
havo
Leerjaar 1
In deze les zitten
13 slides
, met
tekstslides
.
Lesduur is:
45 min
Start les
Bewaar
Deel
Printen
Onderdelen in deze les
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 - Tekstslide
Today's goal is...
To measure angles with a protractor triangle
Slide 2 - Tekstslide
Let's recall...
What types of angles do we know already?
do we remember the dutch words ?
Slide 3 - Tekstslide
Slide 4 - Tekstslide
Slide 5 - Tekstslide
Slide 6 - Tekstslide
How to measure?
Grab your protractor
Place the 0
baseline
in the
vertex
Check if the
protractor base
aligns
with a
ray
Think: acute or obtuse?
Read the
degree
intersecting
the other ray
Write ∠ A = ......
Slide 7 - Tekstslide
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 = ......
Grab your protractor
Place the 0
baseline
in the
vertex
Check if the
protractor base
aligns
with a
ray
Think: acute or obtuse?
Read the
degree
intersecting
the other ray
Write ∠ A = ......
Slide 8 - Tekstslide
Slide 9 - Tekstslide
Slide 10 - Tekstslide
Slide 11 - Tekstslide
grab your planner
Homework from the worksheet
exercise 2, 5, 7
SO Chapter 5 Angles (1x) 28 March 2023
timer
1:00
Slide 12 - Tekstslide
Lesson wrap up
What did we learn today?
Slide 13 - Tekstslide
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