1Tvwo §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 the 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!

Share your methods with the rest of the class

Homework:

Chapter 10.1 Choose your learning path

Check your answers with the solutionsbook in Teams.

Do this with another colour!