1TH/vwo §10.1 Perimeter and area

• Wiskunde
• Middelbare school
• havo, vwo
• Leerjaar 1

§10.1 learning goals:

Give both answers in the next slide!

Just mention the 2 numbers, without the units (= eenheden).

perimeter and area are ... and ...

Solution:

This distance we call 

'een span' in dutch.

In the maths book it's called finger-thumb distance.

It is used as a rule of thumb.

QUESTION: what is a rule of thumb? Answer in next slide.

a rule of thumb is

1. the length of a thumb
2. a handy way of estimating a length
3. a precise way of measuring

A copy of the Statue of 

Liberty from the USA.

This time in Paris!

What is a good method of 

estimating it length?

(You don't have to work it out, yet.)

1. Think about it.

What is a good method of 

estimating it length?

(You don't have to work it out, yet.)

2. Talk it over with your neighbor.

Compare your Methods!

Homework:

H/V: choose from :   

       a.     2 t/m 5 and 8    or   (standard path)

       b.     2, 3,    5,    C1 and C2  (challenge path)

VWO:   choose b. from above