2. The Whole numbers are the “counting numbers”
when 0 is included.
0, 1, 2, 3, 4, 5, 6, 7, …
The numbers 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 have
one digit and the numbers 10, 11, 12, 13, …
have two digits.
3. Whole numbers are made up from units, tens,
hundreds, thousands and so on.
For example:
3 . 7 5 9 . 2 3 8
UNITS
TENS
HUNDREDS
THOUSANDS
TEN THOUSANDS
HUNDRED THOUSANDS
MILLIONS
Observe that in
Spain we use the
decimal point every
three digits, while in
England they use a
comma:
3,759,238
4. 2.457.987
Can you read this number?
two million four hundred and fifty-seven
thousand nine hundred and eighty-six.
How many digits does it have?
It has seven digits.
What number is in the tens place?
What number is in the ten thousands place?
What number is in the hundreds place?
8
5
9
5. 589.345
Can you read this number?
Five hundred and eighty –nine thousand three
hundred and forty-five.
How many digits does it have?
It has six digits.
What number is in the tens place?
What number is in the thousands place?
What number is in the units place?
4
9
5
