Object: BallpenStandard Unit of Measure: Centimeter (cm)If you're measuring a place:Place: Classroom doorPicture: (Attach image of door)Unit of Measure: Meter (m)Use a ruler or meter stick to measure small objects (like books or pencils) and a tape measure for larger areas (like tables or windows). Always choose the most appropriate unit based on size—use millimeters for tiny items, centimeters for hand-sized objects, and meters for big structures.