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‘English is everywhere, Maths is massive’
We can see numbers in words:
“I caught the train today at twelve thirty”
Understanding numbers
Numbers can be shown with images represented in a physical form:
I had 3 counting blocks but then someone gave me another 10
Created by Richard Bull
Created by Richard Bull
Most commonly numbers are represented with digits:
These are what we call single digit numbers
Is there a digit missing?
one twothree
four
five
sixseven
eight nine
zero
We call these units
This is a two digit
number
When we have a two digit number, the first digit tells us how many tens, the second digit tells us how many units
We have 1 ten And we have 0 units So in total we have
ten
tens units
1 0
When we have a two digit number, the first digit tells us how many tens, the second digit tells us how many units
Ten and two make twelve
We have 1 ten, which is ten
And we have 2 units
tens
1 2
units
When we have a two digit number, the first digit tells us how many tens, the second digit tells us how many units
So in total we have fifty-two
We have 5 tens, so fifty and we have have 2 units
tens units
5 2
When we have a two digit number, the first digit tells us how many tens, the second digit tells us how many units
So we have ninety-nine
We have 9 tens, which is ninety And we have 9 units
What would happen if I had one more?
tens units
9 9
42
40 2 42
3636
30 6 36
59 5959
24 20 4 24
70 70
70 0 70
70 8 7878
83 80 833
When we have a three digit number, the first digit tells us how many hundreds, the second digit tells us how many tens and the last digit how many units
So we have one hundred
We have 1 hundred
We have 0 tens
We have 0 tens
tens
1 0 0
hundreds units
3 6 5 days in a year
tens
Hundreds units
Complete worksheet
Solution
Solution
3600 seconds in an hour
tens
hundreds unitsthousands
Partitioning questions
The digit in the number represents?
1 one2 two3 three4 four5 five6 six7 seven8 eight9 nine
10 ten
11 eleven
12 twelve
13 thirteen14 fourteen15 fifteen16 sixteen17 seventeen18 eighteen19 nineteen20 twenty
30 thirty40 forty50 fifty60 sixty70 seventy80 eighty90 ninety
100 hundred1,00
0thousand
Using just these words you can write any number up to one million
853
Eight hundred
fifty three
8 eight
50 fifty
100 hundred
3 three
and
253684 in words
work out the place valuesHundreds of thousands
Tens thousands thousands , hundre
dstens ones
six hundred and eighty four
2 5 3 6 8 4,
Between each comma you read just the 3 digit number and then add in this case the
word thousand
Hundreds of thousands
Tens of thousands thousands , hundre
dstens ones
Two hundred and fifty three thousand
,
345253684 in words
work out the place values
Two hundred and fifty-three thousand
Between each comma you read just the 3 digit number and then add in this case the
word million
Three hundred and forty-five million
,
Hundreds of millions
Tens of millions
millions
, Hundreds of thousands
Tens of thousands
Thousands
, hundred tens units
3 4 5 , 2 5 3 , 6 8 4
Hundreds of millions
Tens of millions
millions
Hundreds of thousands
Tens of thousands
Thousands
Between each comma you read just the 3 digit number and then add in this case the
thousands
Six hundred and eighty four
,
* Place Value*Whole numbers are made up of units, tens, hundreds, thousands and so on.
*In the number 6325:*The digit 6 means six thousands *The digit 3 means three hundreds *The digit 2 means two tens *The digit 5 means five units
In words, we write this as six thousand, three hundred and twenty-five.
THOUSANDS
HUNDREDS
TENS UNITS
6 3 2 5
*What place value is the 4 in this number?
4,829,105 Millions
*What place value is the 9 in this number?
4,829,105
Thousands
Created by Richard Bull