2TH Ch7 Exponential growth-REFRESH

Ch 7 Exponential growth-REFRESH 
1 / 19
volgende
Slide 1: Tekstslide
WiskundeMiddelbare schoolvwoLeerjaar 2

In deze les zitten 19 slides, met interactieve quizzen en tekstslides.

time-iconLesduur is: 50 min

Onderdelen in deze les

Ch 7 Exponential growth-REFRESH 

Slide 1 - Tekstslide

In this lesson ...
We will do a bit from Refresh p.8/9 together.
After this you will make the other exercises yourself.

Slide 2 - Tekstslide

Now all do this:
+ Take a new page in your Notebook
+ Write down 'Ch 7 Exponential growth' on top of it
+ Make a marginline -using a ruler!- if you don't have one yet
+ Write 'R1' in the margin 
+ Make R1a now, in your Notebook!

Slide 3 - Tekstslide


Make 1a in your Notebook.
Send in your answer in the next slide.

timer
0:45

Slide 4 - Tekstslide

Answer to R1a:

Slide 5 - Woordweb

Slide 6 - Tekstslide

Now copy the Ratio Table fromR1b and fill it in
(you may also fill it in in your Flexbook):
timer
1:30

Slide 7 - Tekstslide

Here is the answer.
Watch how handy the number '1' is used!

Slide 8 - Tekstslide

Now try R1c.
Use the same table, with '1' on top:
1c  A lamp post is 3.5 metres tall. Make a ratio table and  calculate     the                     length of the shadow of the lamp post.
       You MAY use the same ratio table:
timer
1:30

Slide 9 - Tekstslide

Answer R1c:

Slide 10 - Tekstslide

Slide 11 - Tekstslide

Let's study the following slide, that contains a 'Method'.

Slide 12 - Tekstslide

Slide 13 - Tekstslide

What do you call an egoistic fish?

Slide 14 - Woordweb

Answer:
a SELFISH !

Slide 15 - Tekstslide

Short RECAP on POWERS!
Calculate in your head:

Key in your answer in the next slide.

43

Slide 16 - Tekstslide

43=
timer
0:30

Slide 17 - Woordweb

Solution:
4 x 4 x 4 = 64
43=

Slide 18 - Tekstslide

And now...
Time for doing the Homework:
REFRESH: R2 until R7
For R4 and R5 MAKE A RATIO TABLE every time! Like we just did.
For every exercise give your CALCULATION!


Slide 19 - Tekstslide