4B/4C HCF LCF

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

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

Slide 1 - Diapositive

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 - Diapositive

What did we do last lesson?

Slide 3 - Carte mentale

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

What are factors of 18? 

Slide 4 - Diapositive

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 - Diapositive

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

Slide 6 - Diapositive

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

Slide 7 - Diapositive

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

Slide 8 - Diapositive

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

Slide 9 - Diapositive

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 - Diapositive

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

Slide 11 - Diapositive

Homework
4B.1             1, 9
4B.2            1bfj, 2
4C.1              2ac, 4                     MyiMaths
4C.2             1ijkl, 2
                                        
Finished your homework?

Slide 12 - Diapositive