1T H/VWO §2.1 Natural numbers

Ch 2
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Slide 1: Slide
WiskundeMiddelbare schoolhavo, vwoLeerjaar 1

This lesson contains 20 slides, with interactive quizzes and text slides.

time-iconLesson duration is: 50 min

Items in this lesson

Ch 2

Slide 1 - Slide

Ch 2 NUMBERS

Slide 2 - Slide

Before doing §2.1 ......
We will go through the 'Theory' parts , including some
examples.
Maybe this sometimes isn't completely clear to you.
Don't worry, it is an Introduction, to get familiar with it.
After this Lessonup, you can work your way through the paragraph in your own tempo.

Slide 3 - Slide

Natural numbers-what's that?! Look below!
A few new words:

-  digit = cijfer (0 ,1 ,2 etc.)
-  is determined by = wordt bepaald door

Slide 4 - Slide

some examples:

Slide 5 - Slide

Task 1:
What is the value (waarde) of
the digit (getal) 6 in
567 874 ?
A
67 874
B
6 x 10 000
C
60 000
D
6 000

Slide 6 - Quiz

567 874
Solution:
the number 6 in this number means
60 000   or   6 x 10 000

Slide 7 - Slide

The value of numbers again:

Slide 8 - Slide

in a scheme:

Slide 9 - Slide

Next ....
we talk about LARGE NUMBERS.
As an Intro here comes a Joke on Large Numbers.
(If you dislike Jokes, close your eyes for one slide.)

Slide 10 - Slide

Slide 11 - Slide

Who can explain last slide's joke?


....,    ......., or maybe ..... ?

Slide 12 - Slide

Very large numbers ...

Slide 13 - Slide

Task 2
A billion is ... in dutch.
A
een miljoen
B
een biljoen
C
een miljard
D
een galjoen

Slide 14 - Quiz

Explanation task 2:
The meaning of    1 000 000 000   is:
In English: a billion
In Dutch: een miljard 
(ons biljoen = 1 000 000 000 000 !)

Slide 15 - Slide

Here are 2 new SYMBOLS:

Slide 16 - Slide

There are several mnemonics (=ezelsbruggetjes, of geheugensteuntjes) to explain the signs for <  and > 
If you know one of them, key it in in the next slide.
Let's share what we know!

Slide 17 - Slide

< and > , how to remember?!

Slide 18 - Mind map

Homework time:
+ Do §2.1   Natural numbers now!
+ Choose your Learning path (see p.54 on top)
+ good luck!
timer
14:00

Slide 19 - Slide

Any questions?

Slide 20 - Slide