2Tvwo §11.3 Fact. trinomials (2)

§11.3 Factorising trinomials (2)
We divide up in two groups:
Please open up your Notebook and 
Show your Homework:    18   t/m.    21
Together with your teacher it will be made clear if you
+    understand it,         or   
+    not

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Slide 1: Slide
WiskundeMiddelbare schoolhavo, vwoLeerjaar 2

This lesson contains 17 slides, with text slides and 1 video.

time-iconLesson duration is: 50 min

Items in this lesson

§11.3 Factorising trinomials (2)
We divide up in two groups:
Please open up your Notebook and 
Show your Homework:    18   t/m.    21
Together with your teacher it will be made clear if you
+    understand it,         or   
+    not

Slide 1 - Slide

§11.3 Factorising trinomials (2)
We divide up in two groups:
GROUP A:   You have succesfully made   18 t/m 21 for today. 
In that case: You can Finish the paragraph:     making exercises 22, 23, 24, 25  
 
GROUP B: see next slide.

Slide 2 - Slide

§11.3 Factorising trinomials 
We divide up in two groups:
GROUP B:   You have NOT succesfully made   18 t/m 21 for today. 
You do NOT understand §11.3 yet.
In that case, you get the following explanation!

Slide 3 - Slide

So group A, now make your choice:
You MAY NOW START MAKING:
         22, 23, 24, 25.  and choose between making  S19+S20  or  C5+C6.
Of course you may also follow this LessonUp first, to learn more
about it!

Slide 4 - Slide

Why it works like this,
is explained in the next slides!

Slide 5 - Slide

Slide 6 - Slide

Slide 7 - Video

Now a task for you follows!

Slide 8 - Slide

Task 1:
- open your Notebook
- COPY the Task on the following slide,
- make the TABLE for the PRODUCT -like the one you just saw. 

Slide 9 - Slide

Task 1: 
Make the TABLE for:
timer
1:00

Slide 10 - Slide

Solution:

Slide 11 - Slide

Task 2: 
FACTORISE (making a good use of the TABLE!):
timer
0:30

Slide 12 - Slide

Solution:
The factorisation of: 

is:
This is because:    -5 x -3 = 15 (the Product) and
                                      -5 + -3 = -8 (the Sum)
h=(t5)(t3)

Slide 13 - Slide

Task 3: see next slide!
The same as with task1:
- Copy the Task in your Notebook
- Make the Table for the Product 
- Make the factorisation

Slide 14 - Slide

Task 3:   Factorise:
Note: do this with or without a TABLE!
timer
1:00

Slide 15 - Slide

Factorise:                           Solution:
So the Solution is:

Slide 16 - Slide

Homework GROUP B:
Make, correct and 
hand in, in Google Classroom:          §11.3  
18. t/m. 25
TIP: if it is still difficult for you, consult the METHOD on p.175 again!

Slide 17 - Slide