This topic practices calculating the original number from which a given value represents 10%. It involves solving problems where a smaller known number is specified to be 10% of a larger unknown number. Participants are required to determine the full number using the relationship that 10% of the total equals this known smaller number. The worksheet covers basic percentage calculations, suitable as an introductory lesson to percentages.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.