# 1TH/Vwo §4.1 Lines

§4.1 LINES
This lesson you will learn about ...
+  parallel lines,
+  perpendicular lines (?!),
+  diagonals.                     However first:  parallel lines!
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Slide 1: Tekstslide
WiskundeMiddelbare schoolhavo, vwoLeerjaar 1

In deze les zitten 21 slides, met interactieve quiz, tekstslides en 1 video.

Lesduur is: 50 min

## Onderdelen in deze les

§4.1 LINES
This lesson you will learn about ...
+  parallel lines,
+  perpendicular lines (?!),
+  diagonals.                     However first:  parallel lines!

#### Slide 1 -Tekstslide

§4.1 Lines
What you will need in every lesson from Ch 5:
- pencil
- geo triangle
- and the usual stuff like Notebook and Textbook, of course!
- so bring it all, for good use!

#### Slide 3 -Tekstslide

How to DRAW PARALLEL LINES ?
see next slide

#### Slide 5 -Tekstslide

next is ...
PERPENDICULAR LINES,
meaning: two lines that make RIGHT ANGLES.
How to pronounce?!
Watch next slides.

#### Slide 8 -Tekstslide

But ... how to DRAW PERPENDICULAR LINES ?
see next slide

#### Slide 12 -Tekstslide

You've seen ...
+   parallel lines and perpendicular lines
+   next slide shows you:  some QUADRILATERALS
+   don't you believe it?
+   just watch the next slide and be amazed!

#### Slide 14 -Tekstslide

The dutch word for 'quadrilateral' is
....
timer
0:15
A
driehoek
B
rechthoek
C
vierkant
D
vierhoek

#### Slide 15 -Quizvraag

By the way ...
Is it important to really KNOW all new words and meaning right now?
Not really.
The important thing is that you now go through the content of § 4.1
by this LessonUp.
This makes it easier to work your way through it by yourself!

#### Slide 16 -Tekstslide

Next are ...
DIAGONALS!
First in Math figures, then
on the Chess board!
There is a spelling mistake in the next slide.
Maybe you notice it!?

#### Slide 18 -Tekstslide

Let's continue the WORDLIST.
Write down at the back of your Notebook:
- parallel                                         -  rectangle
- perpendicular                           -  diagonals

#### Slide 20 -Tekstslide

Homework time
Good luck, doing §4.1, p.124 - 127!
One IMPORTANT thing:
Use a PENCIL and a GEO for the drawings!
REMINDER: next lesson bring your PAIR of COMPASSES too (for drawing CIRCLES)!!
timer
25:00