# 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!
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Slide 1: Slide
WiskundeMiddelbare schoolhavo, vwoLeerjaar 2

This lesson contains 16 slides, with interactive quizzes and text slides.

Lesson duration is: 45 min

## 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

A recap:
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 9 -Slide

Let's do R5 together!

Get your:
- geo
- pencil

timer
5:00

Angle P2 = ....
Angle T1 = ....
Angle P1 =
Area = ......

#### Slide 12 -Mind map

An
Angle P2 = 14 degrees

Angle T1 = 28 degrees

Angle P1 = 76 degrees

3.1 Enlargements

#### Slide 15 -Slide

Homework time
Ch3/3.1 Exercises R6 and R7 and Exercise 1, S3, S6 (page 97-98)