# 4B/4C HCF LCF

Good afternoon!
Schedule:
• Learning goals
• What did we do yesterday
• Factors
• HCF and LCM
• Wordproblem + Homework
1 / 12
Slide 1: Tekstslide
WiskundeWOStudiejaar 4

In deze les zitten 12 slides, met interactieve quiz en tekstslides.

## Onderdelen in deze les

Good afternoon!
Schedule:
• Learning goals
• What did we do yesterday
• Factors
• HCF and LCM
• Wordproblem + Homework

#### Slide 1 -Tekstslide

Learning goals
At the end of this lessons I can:
• Find the factors of a number
• Find the Highest Common Factor of multiple numbers
• Find the Lowest Common Multiple of multiple numbers

#### Slide 2 -Tekstslide

What did we do last lesson?

#### Slide 3 -Woordweb

4B: HCF and LCM
18 is divisible by 3
18 ÷ 3 = 6
BECAUSE
What is a factor?

What are factors of 18?

#### Slide 4 -Tekstslide

4B: HCF and LCM
18 is divisible by 3
18 ÷ 3 = 6
BECAUSE
What is a factor?
The factors of a natural number are natural numbers which divide exactly into it.
What are factors of 18?

#### Slide 5 -Tekstslide

4B: HCF and LCM
HCF = Highest Common Factor
LCM = Lowest Common Multiple
÷
x

#### Slide 6 -Tekstslide

4B: HCF and LCM
HCF = Highest Common Factor
LCM = Lowest Common Multiple
÷
x
Red and Green have 1 color in common
Yellow

4B: HCF and LCF
Factors of 12
Factors of 32

#### Slide 8 -Tekstslide

4B: HCF and LCF
Factors of 12
Factors of 32
What is the Highest Common Factor?

#### Slide 9 -Tekstslide

4B: HCF and LCM
Multiples of 6
Multiplesof 8
1
2
3
4
5
6
7
8
What is the Lowest Common Multiple?

#### Slide 10 -Tekstslide

4B: HCF and LCM
Bells!!!
https://www.transum.org/Software/SW/Starter_of_the_day/starter_December20.ASP

#### Slide 11 -Tekstslide

Homework
4B.1             1, 9
4B.2            1bfj, 2
4C.1              2ac, 4                     MyiMaths
4C.2             1ijkl, 2