# 3Tvwo (§ 5.2 and) § 5.3

In this lesson we will:
• a. LOOK BACK shortly at:
§ 5.2 Moving vertically, and
• b. DO:
§ 5.3 Multiplication
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Slide 1: Tekstslide
WiskundeMiddelbare schoolvwoLeerjaar 3

In deze les zitten 20 slides, met interactieve quizzen en tekstslides.

Lesduur is: 15 min

## Onderdelen in deze les

In this lesson we will:
• a. LOOK BACK shortly at:
§ 5.2 Moving vertically, and
• b. DO:
§ 5.3 Multiplication

#### Slide 1 -Tekstslide

§ 5.2 Moving vertically
Notice:
• the new graphs have the same shape
• as the old one
• the new graphs only lies higer or lower
• watch 'multiplication' in the next slide!

#### Slide 2 -Tekstslide

§ 5.3 Multiplication
Notice:
• The new grahs are different from the old:
• the new parabola is narrower.
• However, the points of intersection with the x-axis are
• still the same!
• The new straight line has another direction from the old one.
• We go on with these graphs in the next slide!

#### Slide 3 -Tekstslide

LANGUAGE:
• We can say that
• a graph is multiplied by a number, or
• a graph is 'stretched parallel to the y-axis'.

#### Slide 4 -Tekstslide

AND NOW:
on the next slides!

#### Slide 5 -Tekstslide

The highest green line is multiplied by ...... to get the lowest green line.
A
1
B
2
C
-0.5
D
-1

#### Slide 6 -Quizvraag

The widest parabola is multiplied by ....... to get the narrowest parabola.
A
1/3
B
-3
C
3
D
- 1/3

#### Slide 7 -Quizvraag

Humour lies on the street...
Is it time for a good joke already?

#### Slide 9 -Tekstslide

When you have recovered ...
from these unforgettable joke, there is one more thing to explain.
You will see this in the next slide!

#### Slide 10 -Tekstslide

Question: How to calculate
the new FORMULA ?
oh,bb                                                                                                                    AA                                                         Answer: study this example!
Notice the use of
the BRACKETS !
s

#### Slide 11 -Tekstslide

Classroom - Study square
You will remember the rule:
up to 7.5    -    in Classroom
from 7.5 and higher   -   Study square

#### Slide 12 -Tekstslide

Situation after 4T CH 4:
Allowed to go to the Study Square:
Ruby, Jochem, Mette, Milou, Remco, Julie en Ferry.
ONE MORE POINT OF ATTENTION on next slide!

#### Slide 13 -Tekstslide

CHALLENGE PATH
Working on the Study square includes you do:
The CHALLENGE exercises of a paragraph !
So choose the CHALLENGE path every time!
WHY ? see next slide!

#### Slide 14 -Tekstslide

MATH B
The Challenge exercises are more difficult and
* give you an idea of Math B in 4th Form, and
* prepares you for a Profile choice that includes Maths B!
* of course also Classroomers are invited to try the Challenge
exercises now and then!

#### Slide 15 -Tekstslide

Now let's all start doing the homework (= § 5.3).
Study square is open.

Time for a Joke?

#### Slide 18 -Tekstslide

What did you learn this lesson?