Measure using an inch ruler

Learning Objectives Identify an inch on a ruler. Line up an object with the zero mark on a ruler. Read the whole number where an object ends. State the length of an object in inches. Measure common classroom objects. Understand that longer objects have bigger numbers. How long is your favorite crayon? 🖍️ Let's find out how to measure it! Today, we will use a special tool called a ruler. We will learn to measure how long things are in inches. It's like giving objects a number for their size! Real-World Applications Building with blocks to see how tall your tower is 🏗️ Drawing a perfectly straight line for your art 🎨 Checking if your toy car will fit in its garage 🚗 Seeing how much your little plant has grown 🌱

TermDefinitionExample RulerA tool with numbers and lines to see how long things are. 📏We use a ruler to measure a pencil. InchA small unit of length on the ruler. It's the space between two numbers.My thumb is about 1 inch wide. LengthHow long something is from its start to its end.The length of a banana is from the top to the bottom. 🍌 MeasureTo find the size or length of an object using a tool.Let's measure the toy boat to see its length. Zero Mark (0)The very first line on the ruler. This is our starting point!Always start measuring at the zero mark.

Start at Zero Rule \text{Start} = 0 Always line up the start of your object with the '0' mark. Read the End Rule \text{Length} = \text{End Number} Look at the number on the ruler where your object ends. Say the Unit Rule \text{Answer} = \text{Number} + \text{"inches"} Always say the word 'inches' after your number.