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
1 / 20
next
Slide 1: Slide
WiskundeMiddelbare schoolvwoLeerjaar 3

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

time-iconLesson duration is: 15 min

Items in this lesson

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

Slide 1 - Slide

§ 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 - Slide

§ 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 - Slide

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

Slide 4 - Slide

AND NOW:
KEY IN YOUR ANSWERS to the 2 questions
 on the next slides!

Slide 5 - Slide

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

Slide 6 - Quiz

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

Slide 7 - Quiz

Humour lies on the street...
Is it time for a good joke already?
If so, ask your teacher.

Slide 8 - Slide

Slide 9 - Slide

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 - Slide

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

Slide 11 - Slide

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

Slide 12 - Slide

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 - Slide

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 - Slide

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 - Slide

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

Slide 16 - Slide

Time for a Joke?

Slide 17 - Slide

Slide 18 - Slide

What did you learn this lesson?

Slide 19 - Mind map

Slide 20 - Slide