This math topic focuses on the concept of place value, specifically identifying missing values within numbers to complete equations correctly. The problems present the task of determining the missing digits to form a correct five-digit number, ranging from the thousands to the hundredths place. Students are given multiple choices to find the right placeholder value to solve equations consistently formatted like "X + ___ + Y = Z," where they must deduce and select the correct number to place in the blank to make the equation true. These exercises are aimed at enhancing understanding and manipulation of place values within larger numbers.

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