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2Tvwo Ch9 REFRESH
Ch 9 REFRESH
First some questions to see what you still know
from 1st Form,
because the content from this § is taken from Books
1A and 1B.
But it has been a while since you worked with those books...
1 / 22
volgende
Slide 1:
Tekstslide
Wiskunde
Middelbare school
vwo
Leerjaar 2
In deze les zitten
22 slides
, met
interactieve quizzen
,
tekstslides
en
1 video
.
Lesduur is:
50 min
Start les
Bewaar
Deel
Printen
Onderdelen in deze les
Ch 9 REFRESH
First some questions to see what you still know
from 1st Form,
because the content from this § is taken from Books
1A and 1B.
But it has been a while since you worked with those books...
Slide 1 - Tekstslide
What is a linear formula?
Slide 2 - Woordweb
Possible answers:
It is a formula for which the graph is a straight line.
or:
It is a formula with two variables, that corresponds to a straight line.
Slide 3 - Tekstslide
y = -5x + 6
Which statement(s) is (are) true?
A. 6 is the y-intercept B. -5 is the y-intercept
C. 6 is the gradient D. -5 is the gradient
Choose your answer in the next slide!
Slide 4 - Tekstslide
y = -5x + 6
A
6 = y-intercept
B
-5 = y-intercept
C
6 = gradient
D
-5 = gradient
Slide 5 - Quizvraag
To refresh your memory:
Write without brackets:
Slide 6 - Tekstslide
Write without brackets:
u = 6 (3p + 5)
a. 9p + 11 b. 18p + 30
c. 30 + 18p d. 48p
Key in in next slide!
Slide 7 - Tekstslide
Work out = 6(3p + 5)
A
u = 9p + 11
B
u = 18p + 30
C
u = 30 + 18p
D
u = 48p
Slide 8 - Quizvraag
Answers:
There are (at least) two ways of solving this!
+ with a Multiplication Table or
+ with the Parrot's Beak
Slide 9 - Tekstslide
Solution 1 (mutiplication table):
Slide 10 - Tekstslide
Solution 2 (parrot's beak):
Slide 11 - Tekstslide
Slide 12 - Tekstslide
The final topic of the Refresh:
Slide 13 - Tekstslide
Instruction Movie (dutch):
https://wiskundeacademie.nl/havo-2-vwo-2/vergelijkingen-oplossen-met-de-balansmethode
After this LessonUp,
Watch this fine Movie!
It makes very clear how to solve equations.
Slide 14 - Tekstslide
Slide 15 - Video
From this movie you've learned how to do R5:
Slide 16 - Tekstslide
The following is very important:
Solving such an equation cannot be like this:
???????
Slide 17 - Tekstslide
The answer just came 'falling from the sky' !?
Slide 18 - Tekstslide
Solving means working out, step by step, as below:
The Method used, here, it called:
the CARD method.
Do you remember from 1st Form?!
Slide 19 - Tekstslide
TASK: COPY this exercise in your NOTEBOOK and SOLVE it!
timer
1:30
Slide 20 - Tekstslide
SOLUTION:
Slide 21 - Tekstslide
Homework time.
Refresh Ch 9, p.86/87.
Good luck!
Slide 22 - Tekstslide
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