How Long is It?
We use rulers to find the length of objects. Today, we'll use Inches and Centimeters.
The Golden Rule: Start at Zero
Always line up the edge of your object with the 0 mark on your ruler.
📏 Inches (in): Bigger units. About the length of a paperclip.
📏 Centimeters (cm): Smaller units. About the width of your pinky finger.
Hint: There are about 2 and a half centimeters in 1 inch!
How many inches long is this block?
INCHES
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Master of Length!
You can accurately measure in both inches and centimeters. You're ready to build something great!