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Tuesday 29 November 2011

PLACE VALUE AND OBJECTS

Place Values and Objects
Numbers, such as 84, have two digits.  Each digit is a different place value.
The left digit is the tens' place.  It tells you that there are 8 tens.
The last or right digit is the ones' place which is 4 in this example.  Therefore, there are 8 sets of 10, plus 4 ones in the number 84.

   8 4
   | |__ones' place
   |_________tens' place
The number 24 could be represented by this table:

 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24






  The tens' place value of 2 in the number 24 is due to the presence of two full sets of 10.
The ones' place value of 4 in the number 24 is due to 4 units that are not included in a full set of 10.

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