# Cardinals and Ordinals 23-10-2023 vh1a/g1a

Welcome class
Vh1a/G1a
Topic: Cardinal & Ordinal numerals
23rd October 2023
1 / 17
Slide 1: Tekstslide
EngelsMiddelbare schoolhavoLeerjaar 1

In deze les zitten 17 slides, met interactieve quizzen, tekstslides en 1 video.

Lesduur is: 45 min

## Onderdelen in deze les

Welcome class
Vh1a/G1a
Topic: Cardinal & Ordinal numerals
23rd October 2023

#### Slide 1 -Tekstslide

When do you use numbers?

Numbers

#### Slide 3 -Tekstslide

There are two kinds of numbers. Do you know which two kinds?
A
ordinary and extraordinary numbers
B
cardinal and ordinal numbers
C
plain and special numbers
D
there are no two kinds of numbers, Miss! What were you thinking?!

#### Slide 4 -Quizvraag

So we have cardinals and ordinals.

we use cardinals for counting
one, two, three, four...

#### Slide 5 -Tekstslide

So we have cardinals and ordinals.

we use ordinals when we want to give order to things.
first, second, third, fourth...

#### Slide 6 -Tekstslide

cardinals
ordinals
Twenty-first century
he came in second place
The simpsons are on channel nine
world war two lasted more then five years
The steamengine was invented in the nineteenth century
You are in first grade.
most of you are twelve years old
The first world war lasted from nineteenfourteen to nineteeneighteen

#### Slide 7 -Sleepvraag

Cardinal > Ordinal
In general the rule is to add TH to the cardinal, as in:
four > fourth
ten > tenth
Mind this:
fifty > fiftieth
seventy > seventieth
One hundred > one hundredth
Exceptions are:
one > first (or 1st).
two > second (or 2nd).
three > third (or 3rd)

And for some ordinals there are changes in spelling:
five > fifth
eight > eighth
nine > ninth
twelve > twelfth

#### Slide 8 -Tekstslide

A few things that you must also remember!

Er staat een - tussen de tientallen (decimals) en de enen (numerals) als je hoger gaat dan 20:
Cardinals:
21 is written as twenty-one, 22 is written as twenty-two etc.

Ordinals:
21st is written as twenty-first, 22nd is written as twenty-second, 23rd is written as twenty-third etc.

#### Slide 9 -Tekstslide

One more thing...
When you come to the hundreds or even thousands you spell them as if you count the hundreds/thousands/millions.
Like so:
(one) hundred, two hundred, five thousand, ten million etc.
(note that there's no hyphen!)

#### Slide 10 -Tekstslide

What number is spelled correctly?
A
My father is fifty-five years old.
B
Mum celebrated her fiftysecond birthday.
C
Her brother got his seventh birthdaycard.
D
Grandma has eightytwo candles on her birthdaycake

#### Slide 11 -Quizvraag

How old is Mr. van Otterdijk?
A
He is forty-four years old.
B
He is twenty-eight but he acts as if he were twelve.
C
He pretends to be young but is really, really old.
D
He is on his way to his twenty-ninth birthday.

Questions?