# 1T H/VWO §3.2 Divisors

§3.2 DIVISORS (delers)
Before you make this paragraph, let's
do this lessonUp!

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Slide 1: Slide
WiskundeMiddelbare schoolhavo, vwoLeerjaar 1

This lesson contains 23 slides, with interactive quizzes and text slides.

Lesson duration is: 50 min

## Items in this lesson

§3.2 DIVISORS (delers)
Before you make this paragraph, let's
do this lessonUp!

#### Slide 1 -Slide

Many new words came up in §3.1 and more we will see in §3.2 !
Which new words you think are important in §3.1  and
in §3.2 ?
Key them in in the following slide.

#### Slide 2 -Slide

My new words (at least two) are:

#### Slide 3 -Mind map

Words, words, words ...
Let's make our WORDLIST a bit longer with some WORDS from
§3.1  and  §3.2.
+  Open your NOTEBOOK on the last page and
+  Write down the following words

#### Slide 4 -Slide

part 1:
digit - cijfer, vinger                                                                     divisor - deler
value - waarde                                                                             division - deling  (like 6 : 2 = 3)
billion - miljard    (1,000,000,000)                                         remainder - rest (like 9 : 4 = 2, remainder 1)

(Confused? You do not need to be.
The meaning of all these new words will become clear when doing the paragraph yourself.
It's just good to see, hear and write them down in your Wordlist now.)

#### Slide 5 -Slide

part 2:
property - eigenschap
prime number - priemgetal
consecutive numbers - opeenvolgende getallen (1, 2, 3, 4 etcetera)
multiplication - vermenigvuldiging
even numbers - even getallen (2, 4, 6 etcetera)
odd numbers - oneven getallen (1, 3, 5 etcetera)
multiple - veelvoud (12 is a multiple of 3 because 4 x 3 = 12)

#### Slide 6 -Slide

Some of the new words in PRACTICE:

#### Slide 7 -Slide

An example of 'divisible':

#### Slide 8 -Slide

now 'divisors' (= delers):

#### Slide 10 -Slide

78 is a multiple of 6
A
true
B
false

#### Slide 11 -Quiz

7 is a divisor of 49
A
false
B
true

#### Slide 12 -Quiz

Fill in: 9 is a ....... of 27 and
25 is a ....... of 5
A
multiple divisor
B
divisor multiple

#### Slide 13 -Quiz

57 is divisible by
A
3
B
3, 13 and 19
C
3 and 19
D
nothing

#### Slide 14 -Quiz

Finally odd and even numbers:

#### Slide 15 -Slide

Write down 3 prime numbers
(priemgetallen)!

#### Slide 17 -Slide

.......,   could you maybe explain this joke for us?

#### Slide 18 -Slide

Here's the meaning of the joke:
1st  being in prime form - being in good shape,
but a prime number is also een priemgetal.

2nd  odd couple; a peculiar (apart) couple,
but odd also means oneven.

#### Slide 19 -Slide

Let's see what the book has to say about Prime Numbers!

#### Slide 21 -Slide

Homework time.
+ Make §3.2 Divisors now
+ Send in pics of your Homework on GC again, but
+ First check your work with the Solutionsbook!
+ Good luck.