# 4A: Divisibility

Good afternoon!
Schedule:
• Learning goals
• Homework questions
• Divisibility
• Even and odd numbers
• Divisibility test
• Homework
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Slide 1: Slide
WiskundeMBOStudiejaar 2

This lesson contains 10 slides, with interactive quizzes and text slides.

## Items in this lesson

Good afternoon!
Schedule:
• Learning goals
• Homework questions
• Divisibility
• Even and odd numbers
• Divisibility test
• Homework

#### Slide 1 -Slide

Learning goals
At the end of this lessons I can:
• Find even and odd numbers
• Find if a number is divisible by another
• Use the divisibility test to find the divisors of a number

#### Slide 2 -Slide

4A: Divisibility
A number is divisible by another if, when we divide, the quotient is a whole number

18 is divisible by 3
18 ÷ 3 = 6
BECAUSE
whole number

#### Slide 3 -Slide

When is a number even?

#### Slide 4 -Mind map

When is a number odd?

#### Slide 5 -Mind map

4A: Divisibility
A number is even when it is divisible by 2

A number is odd when it is not divisible by 2
26 is divisible by 2
26 ÷ 2 = 13
26  is even
73 is not divisible by 2
73 ÷ 2 = 36.5
73 is odd

Even or odd?

#### Slide 7 -Mind map

4B : Divisibility test
What is 1999 divisible by?
(only divisors 1-11)

#### Slide 8 -Slide

4B : Divisibility test

#### Slide 9 -Slide

Homework
4A.1             3, 4ace, 5ab, 6cd
4A.2            4, 5, 6, 9

MyiMaths