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# Numbers and place values

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• 1. Numbers and Place values
Mathematics
1º ESO
• 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, 9have one digit and the numbers 10, 11, 12, 13, … have two digits.
The Whole numbers
• 3. Whole numbers are made up from units, tens, hundreds, thousands and so on.
For example:
3.759.238
Place value
Observe that in Spain we use the decimal point every three digits, while in England they use a comma:
3,759,238
MILLIONS
HUNDRED THOUSANDS
TEN THOUSANDS
THOUSANDS
HUNDREDS
TENS
UNITS
• 4. 2.457.987
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?
Let’s practise
8
5
9
• 5. 589.345