Math CentralQuandaries & Queries


Question from Rajesh:

What is small four-digit whole number?


A four digit number has four digits with one requirement, the thousands digit can't be zero. If it is then you have at most a three digit number.

place value chart

Put a digit in each of the green squares above so that you have a four digit number. Can you write a smaller four digit number? What is the smallest four digit number you can write?


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