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2TH Ch3 REFRESH and §3.1
Ch 3 SIMILARITY
What is this?
Write your first idea that comes up when you see the word
'similarity' in the next slide!
1 / 16
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Slide 1:
Slide
Wiskunde
Middelbare school
havo, vwo
Leerjaar 2
This lesson contains
16 slides
, with
interactive quizzes
and
text slides
.
Lesson duration is:
45 min
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Items in this lesson
Ch 3 SIMILARITY
What is this?
Write your first idea that comes up when you see the word
'similarity' in the next slide!
Slide 1 - Slide
'similarity' makes me think of ....
Slide 2 - Mind map
The triangles
on the right
are SIMILAR
This gives you an
idea of similarity.
Slide 3 - Slide
A recap:
- open your Notebook on a new page
- write down 'Ch 3 Similarity' on top
- write down what you still know about ANGLES
- think of types of angles, sizes of angles,
angles in triangles and quadrilaterals, calculations, etcetera!
- KEEP YOUR TEXTBOOK CLOSED NOW !
timer
1:30
Slide 4 - Slide
A recap:
Compare with your neighbour what you remember about angles.
Add what your neighbour wrote down and you didn't.
In a few minutes we will share this with the class.
timer
1:30
Slide 5 - Slide
Let's share some results with all of us.
Slide 6 - Slide
After you worked on this, let me show you what the theory has to offer us on ANGLES!
Pay attention carefully!
Slide 7 - Slide
Slide 8 - Slide
Slide 9 - Slide
Let's do R5 together!
Open your Textbook on p.124/125
Get your:
- geo
- pencil
from your pencilcase.
Slide 10 - Slide
Fill in your answers in your Notebook but also in the next slide!
timer
5:00
Slide 11 - Slide
Angle P2 = ....
Angle T1 = ....
Angle P1 =
Area = ......
Slide 12 - Mind map
Compare your answers to the ones below!
An
Angle P2 = 14 degrees
Angle T1 = 28 degrees
Angle P1 = 76 degrees
Slide 13 - Slide
3.1 Enlargements
Slide 14 - Slide
Slide 15 - Slide
Homework time
Ch3/3.1 Exercises
R6
and
R7
and Exercise
1, S3, S6
(page 97-98)
+ Check your answers with the Solutionsbook, using another colour pen.
Slide 16 - Slide
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