1TH/V Ch1 SOLIDS

Ch 2 SOLIDS
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WiskundeMiddelbare schoolhavo, vwoLeerjaar 1

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Ch 2 SOLIDS

Slide 1 - Diapositive

Slide 2 - Diapositive

Task 1: What makes something a SOLID?

Slide 3 - Carte mentale

Task 2: What is the 'red herring'?
A
a cut out
B
a pyramid
C
a map
D
a net

Slide 4 - Quiz

Task 2, Explanation:
A pyramid is a 3D thing, all others are flat (2D).

Slide 5 - Diapositive

Task 3:
A top view is an example of an elevation.
A
true
B
false

Slide 6 - Quiz

Task 4:
How many faces does a pyramid have?

Slide 7 - Question ouverte

Task 4, explanation:
 Pyramids can have different numbers of faces! 
just watch the next slide!

Slide 8 - Diapositive

Slide 9 - Diapositive

Task 5: For these elevations you need at least .. cubes.
Key in your answer in the next slide.

Slide 10 - Diapositive

You need .. slides.
A
5
B
7
C
6
D
4

Slide 11 - Quiz

Solution Task 5: For these elevations you need at least 6 cubes!

Let's add them up:
All 4 places in the TOP view need at
least one cube. But except for one place 
that has three cubes!- there can only be 
one cube. So:  1 + 1 + 1 + 3 = 6 cubes. 

Slide 12 - Diapositive

Task 6:
How many cubes
have been used here?
A
12
B
14
C
11
D
13

Slide 13 - Quiz

Task 7: How many cm of wire do you need to make a wire model of this solid? (Key in in next slide.)

Slide 14 - Diapositive

I need ... cm of wire.

Slide 15 - Carte mentale

Task 7, explanation:

Slide 16 - Diapositive

Slide 17 - Diapositive

Task 8: A cute cube means in dutch .....

Slide 18 - Carte mentale

Explanation Task 8:
A cute cube is:  een schattige kubus!

Slide 19 - Diapositive

Task 9:
In the next slide you see 2 pyramids.
What is the difference in the number of edges between them?

Slide 20 - Diapositive

Slide 21 - Diapositive

Task 9: The difference in number of edges is:
A
1
B
4
C
2
D
3

Slide 22 - Quiz

Task 9, explanation:
The difference in number of edges is:
8 - 6 = 2 edges.

Slide 23 - Diapositive

Task 10:
Watch the nets in the next slide.
What could you make of them?
Key in, in the next slide.

Slide 24 - Diapositive

Slide 25 - Diapositive

The solid you can make is .....

Slide 26 - Carte mentale

Task 10, explanation:
The solid you can make of both is a PYRAMID.
If this is not clear to you, look back at exercise 11 on page 25!

Slide 27 - Diapositive

What is your opinion of this LessonUp?

Slide 28 - Carte mentale

Homework:
§2.6 Mixed exercises

Slide 29 - Diapositive

Slide 30 - Diapositive