Benchmarking is an important strategy for comparing the size of fractions. In addition, knowing whether a given fraction is greater or less than a particular benchmark (e.g., one-half) can support students with accurately locating the fraction on a number line. This article offers a game-based activity that engages students in discussions around benchmarking to one-half and equivalent fractions, whilst also exposing students to the procedure for converting fractions into decimals. A Half; More or Less is a two-player game suitable for students in upper primary school (Years 4 to 6). The game requires a standard deck of playing cards.