3Thavo §8.5(A) and §10.5(B)

• Wiskunde
• Middelbare school
• vwo
• Leerjaar 3

Math A: §8.5

Math B: §10.5

We start with a few question on WORDS taken from §8.5.

A challenge for the whole class!

After this slide follows a short Intro for the Math A pupils.

Math B pupils, try your luck too, with some questions on words!

After this, there comes an intro to §10.5 for you.

Scoring some points and reflecting on words

may be funny, but ....

it is intended to help you - Math A pupils- on your way, when doing 

§8.5, not being held up by unknown words!

How good is your English? 

The question is about the word 'conducted'.

Does 'conducted' mean:

A.   are forbidden                         B.  are organized

C.   are carried out                       D.   are strongly advised

Key in, in next slide!

.......... are conducted ........... means:

1. are forbidden
2. are organized
3. are carried out
4. are strongly advised

This question is about the word 'the'.

I was just pulling your leg.

The question is about the word 'correlation', of course!

Does it mean:

A.   in relation to Cor                B.   mutual relationship

C.   relation                                   D.   the contrary to relation

Key in, in next slide!

correlation means ....

1. in relation to Cor
2. mutual relationship
3. relation
4. the contrary to relation

Does it mean:

A.    a sportscar               B.    a wing sitting on your lap

C.   a bird                            D.   a special wing of an aeroplane

lapwing means .......

1. a sportscar
2. a wing sitting on your lap
3. a bird
4. a special wing of an aeroplane

What does this mean?!

a.   a bizar graph                 b.   een 'spreidingsgrafiek'

c.   a smooth graph           d. a graph with a zigzag

a scatter graph means .....

1. a bizar graph
2. 'een spreidingsgrafiek'
3. a smooth graph
4. a graph with a zigzag

Now Math B students, a few slides on § 10.5!

They include visual questions.

What special lines for triangles are used here?

Open your book and look it up, if you need to!

a.   perpendicular bisectors     b.   altitudes

c.   angle bisectors                       d.   diagonals

Fill in, in next slide!

The special lines are .....

1. perpendicular bisectors
2. altitudes
3. angle bisectors
4. diagonals

The special lines for triangles, used here, are:

a.   altitudes       b.   perpendicular bisectors

c.   diagonals     d.   angle bisectors

Special lines here are ...

1. altitudes
2. perpendicular bisectors
3. diagonals
4. angle bisectors

The pretty picture in this  slide, you will learn to make! 

Next slide shows you another beauty!

After this Lesson it has no secrets for you anymore.

This circle-in-a-triangle is called the 'incircle'.

By carrying out exercise 35, you will construct one yourself!

 

Homework: