Which customary unit of length is appropriate?

Learning Objectives Identify inches, feet, and yards as units of length. Compare the relative sizes of an inch, a foot, and a yard. Choose the most appropriate unit to measure a familiar object. Explain why one unit is better than another for measuring an object. Sort objects based on the best unit to measure them. Give an example of an object measured in inches, feet, and yards. How would you measure a tiny ladybug 🐞 and a giant whale 🐋? You need different tools! Today, we will learn about special measuring words. We will learn how to pick the best one for the job. Real-World Applications Measuring ingredients for a yummy cake 🎂 Seeing how tall you have grown 📏 Building a cool fort with blankets ⛺ Drawing a picture of your house 🏠

TermDefinitionExample LengthLength tells us how long something is. It's like measuring from end to end.The length of your pencil ✏️ is from the tip to the eraser. MeasureTo measure is to find out the size of something. We use units to help us measure.We can measure a book to see how tall it is. UnitA unit is a special amount we use to measure. It helps everyone agree on the size.An inch is a unit. A foot is another unit. Inch (in)An inch is a small unit of length. It is for measuring little things.A paperclip 📎 is about 1 inch long. Foot (ft)A foot is a medium unit of length. It is bigger than an inch.Your lunchbox 🥪 is about 1 foot long. Yard (yd)A yard is a large unit of length. It is for measuring very big things.A big step or a baseball bat ⚾ is about 1 yard long. AppropriateA...

The Small Object Rule Tiny Object → Use Inches If the object is small, like a crayon or a bug, inches are the best choice. The Medium Object Rule Medium Object → Use Feet If the object is medium-sized, like a book or a chair, feet are a good choice. The Big Object Rule Big Object → Use Yards If the object is very big, like a room or a playground, yards are the best choice.