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When using place value, it is useful to use a table that looks something like this:
|x 1000||x 100||x 10||x 1||.||÷ 10||÷ 100||÷ 1000|
If we want to know what magnitude each of the numbers represents, we need to look at which column it lies in.
e.g. The number 7 in the table is in the 'Hundreds' column.
This means we need to multiply by 100 to find its true value.
7 x 100 = 700
This means that the digit 7 in this table represents the number 700 in reality.
e.g. The number 2 in the table is in the 'Thousandths' column.
This means we need to divide by 1000 to find its true value.
2 ÷ 1000 = 0.002
This means that the digit 2 represents 0.002.
In this activity, you will calculate the number value represented by specific digits using your knowledge of place value in both larger whole numbers and decimals.
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