Help your child learn the concept of decimal subtraction in an efficient manner with this challenging game. Students' struggle with subtraction of decimals is often attributed to a lack of adequate practice. Timely and effective practice with a focus on fundamentals will help your child become more proficient in subtraction of decimals. The game challenges students to solve a set of problems on the concepts of estimation. These engaging problems encourage them to apply their prior knowledge of the topic and estimate the difference between two decimal numbers.