# Chapter 5 Fractions

First a little Freshen Up on this Chapter!
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Slide 1: Tekstslide
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In deze les zitten 23 slides, met interactieve quizzen, tekstslides en 3 videos.

Lesduur is: 50 min

## Onderdelen in deze les

First a little Freshen Up on this Chapter!

#### Slide 1 -Tekstslide

A factor(deler) is always smaller than the number.
A
True
B
False

#### Slide 2 -Quizvraag

Explanation:
Here is an example, to show that the statement is False:
17 is a factor of 17.
However it's not smaller, but equal to it!

#### Slide 3 -Tekstslide

Prime numbers always have 2 factors.
No less, no more.
True or False?
A
True
B
False

#### Slide 4 -Quizvraag

Explanation:
The statement is true, because that's what prime numbers are about!
For example: 13 is divisible only by 13 and by 1.
That makes it a prime number!

#### Slide 5 -Tekstslide

FRACTIONS
What are fractions?
How to deal with those little fellows?
You will be doing +, -, x and even :
with fractions.
Take a pen/pencil and a piece of paper. You will need it!

#### Slide 6 -Tekstslide

What is a fraction?

#### Slide 8 -Tekstslide

Calculate and simplify
2/3 + 3/4 =
A
1 5/7
B
17/12
C
19/12
D
1 5/12

2/3 + 3/4 =
8/12 + 9/12=
17/12=
1   5/12

#### Slide 10 -Tekstslide

Calculate 4/5 - 1/2 =
A
3/5
B
3/3
C
1
D
3/10

4/5 - 1/2=
8/10 - 5/10=
3/10

#### Slide 12 -Tekstslide

What is the name for 8 in 8/9 ?
A
fraction
B
denominator
C
numerator
D
number

#### Slide 13 -Quizvraag

What is the name for 6 in 5/6 ?
A
numerator
B
provider
C
terminator
D
denominator

Calculate:
4/5 x 2/3 =

#### Slide 17 -Video

Calculate and simplify:
5/6 : 3/4 =

Explanation:
5/6  :  3/4 =
5/6  x  4/3 =
20/18 =
10/9 =
1  1/9

#### Slide 19 -Tekstslide

Calculate and symplify:
1 1/4 : 2 1/4 =
A
9/5
B
5/9
C
1 4/5
D
2 1/5

#### Slide 20 -Quizvraag

1  1/4  :   2   1/4  =
5/4  :  9/4  =
5/4   x  4/9  =
20/36  =
5/9

#### Slide 21 -Tekstslide

My understanding
of fractions
on a scale of 1 to 10.