3Thavo §6.1 Angle of elevation and gradient

§6.1 Angle of elevation and gradient

= Homework

Let's make a good start, doing exercise 1 together.

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Slide 1: Slide

WiskundeMiddelbare schoolhavoLeerjaar 3

This lesson contains 21 slides, with interactive quizzes, text slides and 1 video.

Lesson duration is: 50 min

Items in this lesson

§6.1 Angle of elevation and gradient

= Homework

Let's make a good start, doing exercise 1 together.

Slide 1 - Slide

Slide 2 - Slide

Now what can we learn from all this?

Slide 3 - Slide

Homework time, but...

first of all: time for a JOKE!

(It is a rather sick one, so you may ignore it too!)

Slide 4 - Slide

When you have recovered from

Slide 5 - Slide

Time to ...

+ Test and

+ Train your

+ Intuition !

Slide 6 - Slide

This is about exercise 6a:

Slide 7 - Slide

However, there is a mistake in it:

'The gradient of this street is 0.5 '

This is not correct. Up to you to improve on it!

Slide 8 - Slide

The gradient of Baldwin street is...

higher than 0.5

between 0.5 and 0.7

lower than 0.5

between 0.3 and 0.5

Slide 9 - Quiz

The real gradient of Baldwin street is...

0.35 !

Slide 10 - Slide

Slide 11 - Slide

So, 6a tells you about Baldwin street in New-Zealand as being the steepest road on earth.

However.... watch this!

Slide 12 - Slide

Slide 13 - Slide

Slide 14 - Slide

Slide 15 - Slide

Enough about roads, that is....

we move over to:

RAILROADS(!) , exercise 6b !!

Slide 16 - Slide

Here is 6b:

Slide 17 - Slide

Where on earth is Stoos?

Slide 18 - Mind map

6b is about

The world's steepest railway track!

It is in Switserland, Stoos. It is a car-free (carefree too?!) Alpine village. Watch!

Slide 19 - Slide

Slide 20 - Video

Homework time.

Finish §6.1,

arriving at the Finish, just like the train in Stoos!

Slide 21 - Slide