2TTO Ch6 Pythagoras REFRESH

Ch6 Pythagoras' theorem
REFRESH, p.198/199 = Homework today
Let's have a look at a few Math words.
Answer the following questions!
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Slide 1: Slide
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This lesson contains 14 slides, with interactive quizzes and text slides.

time-iconLesson duration is: 45 min

Items in this lesson

Ch6 Pythagoras' theorem
REFRESH, p.198/199 = Homework today
Let's have a look at a few Math words.
Answer the following questions!

Slide 1 - Slide

Slide 2 - Slide

What is a cuboid?
A
a square
B
a rectangle
C
an object, more or less cubic in shape
D
a circle

Slide 3 - Quiz

Explain face, edge and vertix in the right order:
A
hoekpunt, vlak, rand
B
aangezicht, rand, hoekpunt
C
zijde, ribbe, hoekpunt
D
zijde, hoekpunt, ribbe

Slide 4 - Quiz

Slide 5 - Slide

cm2
What is the length of a side of a square with area 121 ?

Slide 6 - Mind map

What is the length of a side of a square with an area of 15 ?
cm2
15
15
15
A
root 15
B
60
C
15 : 4 = 4.75
D
sqrt 15 (= square root 15)

Slide 7 - Quiz

Slide 8 - Slide

Squaring:
= 5 x 5 = 25
= c x c ,    but now:
=   ......


52
c2
(10)2

Slide 9 - Slide

(10)2
= .......

Slide 10 - Mind map

Watch this:
   =                            x                       = 10
In the same way goes:
=                      x                      =
4 x 4 x            x                = 16 x 6 =    96
(10)2
10
10
(46)2
46
46
6
6

Slide 11 - Slide

Do R7 in the same way!
The book also explains fine, as you see here:

Slide 12 - Slide

Homework time!
Do REFRESH p.198/199 now.
Later some more slides come up.

Slide 13 - Slide

Homework time again!
Make sure you finish most of it this lesson!
R2, R4, R5, R6 and R7 of chapter 6

Slide 14 - Slide