expanded notation

expanded notation

[ik¦spand·əd nō′tā·shən]
(mathematics)
The representation of a number as the sum of a series of terms, each of which is written explicitly as the product of a digit and the base of the number system raised to some power.
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References in periodicals archive ?
In a case such as this, it is recommended that zero be considered a part of the expanded notation.
Can you explain your number using expanded notation (24 is 2 tens and 4 ones or 20 + 4)?
The book offers a wide variety of activities, including matching various forms of expanded notation, working out problems that involve skip counting, recognizing fractional parts in drawings, and solving "Who am I?

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