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1Tvwo §10.3 Enclosing areas
§10.3 Enclosing areas
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Slide 1:
Slide
Wiskunde
Middelbare school
havo, vwo
Leerjaar 1
This lesson contains
16 slides
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interactive quizzes
and
text slides
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Lesson duration is:
45 min
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Items in this lesson
§10.3 Enclosing areas
Slide 1 - Slide
This time start yourself:
+ make the first tasks of §10.3, so start with
exercise 17, etcetera
+ later this Lessonup is continued!
Slide 2 - Slide
Slide 3 - Slide
Give your answers in the next slide!
So key in two numbers.
timer
0:30
Slide 4 - Slide
18ab) Area A and Area B are .... and ....
Slide 5 - Mind map
Solutions:
a. area rectangle around A is 4 x 3 = 12 grid squares
area triangle A = 1/2 x 12 = 6
b. area rectangle around B is 5 x 3 = 15
area triangle B = 1/2 x 15 = 7.5
Slide 6 - Slide
Now answer c in the next slide.
timer
0:30
Slide 7 - Slide
18c) area A and area B are .... and ....
Slide 8 - Mind map
Solution:
Slide 9 - Slide
Slide 10 - Slide
Solutions:
Slide 11 - Slide
Is it always a triangle, the area you have to calculate?
Answer: no.
Next slides show you other shapes too!
Slide 12 - Slide
In this exercise you see:
- al kinds of forms
- even a form with a part in the middle taken out!
- now follows the general way to tackle these tasks
Slide 13 - Slide
Slide 14 - Slide
When doing this task,
+ use the 4 step we saw in the last slide.
+ give a complete calculation instead of only the answer
Slide 15 - Slide
Homework:
Do Ch10.3 You may skipp the excercises we did together.
As always, check your work with the Solutions book in Teams
Slide 16 - Slide
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