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1TH/Vwo §4.1 Lines
§4.1 LINES
This lesson you will learn about ...
+ parallel lines,
+ perpendicular lines (?!),
+ quadrilaterals (?!) and
+ diagonals. However first: parallel lines!
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Slide 1:
Tekstslide
Wiskunde
Middelbare school
havo, vwo
Leerjaar 1
In deze les zitten
25 slides
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tekstslides
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1 video
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Lesduur is:
50 min
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§4.1 LINES
This lesson you will learn about ...
+ parallel lines,
+ perpendicular lines (?!),
+ quadrilaterals (?!) and
+ diagonals. However first: parallel lines!
Slide 1 - Tekstslide
§4.1 Lines
Please take out of your bag:
- pencil
- geo triangle
- and the usual stuff like Notebook and Textbook, of course!
Slide 2 - Tekstslide
Slide 3 - Tekstslide
How to DRAW PARALLEL LINES ?
see next slide
Slide 4 - Tekstslide
Slide 5 - Tekstslide
Why this warning?!
Slide 6 - Tekstslide
Because you're going to this right now, in class!!
DRAW two PARALLEL LINES in your Notebook,
with your
PENCIL + GEO TRIANGLE.
Use the METHOD above!
Slide 7 - Tekstslide
Slide 8 - Tekstslide
next is ...
PERPENDICULAR LINES,
meaning: two lines that make RIGHT ANGLES.
How to pronounce?!
Watch next slides.
Slide 9 - Tekstslide
Slide 10 - Video
All together now!
''perpendicular''
Slide 11 - Tekstslide
Slide 12 - Tekstslide
But ... how to DRAW PERPENDICULAR LINES ?
see next slide
Slide 13 - Tekstslide
Slide 14 - Tekstslide
Try this yourself now:
DRAW two PERPENDICULAR LINES
in your Notebook. Use the METHOD above!
Slide 15 - Tekstslide
Slide 16 - Tekstslide
Slide 17 - Tekstslide
Homework time
It's high time to do
§4.1 now.
Later this Lessonup is continued.
timer
15:00
Slide 18 - Tekstslide
Let's continue the WORDLIST.
Write down in your Notebook:
parallel - evenwijdig rectangle - rechthoek
perpendicular - loodrecht diagonals - diagonalen
quadrilateral - vierhoek hexagon - zeshoek
Slide 19 - 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 20 - Tekstslide
Slide 21 - Tekstslide
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 22 - Tekstslide
Next you'll see:
DIAGONALS!
On the Chess board!
Slide 23 - Tekstslide
Slide 24 - 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
Slide 25 - Tekstslide
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