A ruler, whether it has inches or centimeters, serves as a handy tool to gauge the length of various objects accurately. It's great to see students using both the inch and centimeter edges of the ruler because it provides them with a well-rounded understanding of measurement systems. By practicing with small objects, students can grasp the fundamentals of measurement and develop their math skills. It's a step towards building their math proficiency and problem-solving abilities. If anyone is looking for a good ruler for online tasks or wants to explore alternative measurement methods, you can check out a digital ruler. It can be a helpful resource for various educational and practical purposes.