1TH/Vwo §3.1 Coordinates

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

§ 3.1 Coordinates

This is an introduction.

After that, you will have less trouble doing the paragraph yourself!  

New words you will learn...

So open your Notebook at the back and COPY the 1st part:

1. graph                           -  grafiek

2. coordinates              - coördinaten

3. coordinate system - assenstelsel

4. horizontal axis         - horizontale as

5. vertical axis

New words you will learn...

 Now COPY the 2nd part:

6. altitude -  ..........

7. a horse is represented by a drawing - ........

8. the height he reached - ..........

9. the bus overtakes Rita - ..........

!   Before we fill in the meaning of the words, try to find it out as a pair, using the

expressions on the next slide!

For example:

I tell my neighbor about the meaning of the word '6. altitude':

At a guess, I'd say that 'altitude' means 'temperature'. (wrong!)

She reacts by:

Off the top of my head, I think 'altitude' means 'height'. (correct!)

Now you all try the words 7, 8 and 9. You may give a translation too.

New words you will learn...

 Now COPY the 3rd part:

humidity can vary -  ..........

measurements - .............

join the points with a smooth line -  ...............

the lines intersect - ......................

Question:

What time is this ?!

Think about and talk it over with your neigbor.

Maybe she knows!

PM:

PM means:  Past midday, 

so after twelve o'clock in the morning (which is called 'noon').

3 pm means 3 o'clock in the afternoon.

The letter 'P' from 'past' makes this easy to remember!

AM:

AM means:  before midday.

Examples:

1.   7 AM means 7 o'clock in the morning.

2.  1 AM means 1 o'clock at night.

3.  1 PM means 1 o'clock in the afternoon!

QUESTION:   Does graph 1 belong to:

a. birthday cards   or   b. postcards ? 

Give your answer in the next slide!

Answer:

1. birthday cards
2. postcards

Explanation 'postcards' :

In winter many more postcards are sent than in summer.

Especially with X-mas.

Birthday cards are sent in the same amounts all year.

By the way, this exercise was taken from the Refresh paragraph.

At what times (!) was it 9 degrees Celsius?
Look back at the graph first and remember your answers!

1. 12.00 and 18.00
2. 12.00 and 17.30
3. 13.00 and 17.30
4. 11.30 and 17.30

Homework time!

DO:  §3.1

Check your work with the Solutionsbook too!