Friday, January 9, 2015

how to write standard form Grade 2?

Question:Write nine hundred fifty eight in standard form:


Answer: 958.


Write the standard number 67 in words:


Answer: Sixty seven.


Explanation: The decimal numbers we write are the standard form of numbers.  There are so many other type of representing numbers. Ex: Roman numbers, expanded form, writting numbers through words, binary number,scientific number.


The reason for the decimal number to be called standard as  I believe is its simplicity for all types of calculation and its popularity all over the world. Compare the how you multiply 56*65 in standard form and roman number system.

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