Real-World Examples of Converting Metric Length Units (Grade 4)

📚 Quick Study Guide

• 📏 Meter (m): The basic unit of length in the metric system. Think of it as about the length of a baseball bat.
• 📏 Centimeter (cm): A smaller unit; 1 meter = 100 centimeters. Imagine the width of your pinky finger.
• 📏 Millimeter (mm): An even smaller unit; 1 centimeter = 10 millimeters, and 1 meter = 1000 millimeters. Think of the thickness of a dime.
• 📏 Kilometer (km): A larger unit; 1 kilometer = 1000 meters. This is used for longer distances, like how far you travel to another city.
• 🔢 Conversions:
  • To convert meters to centimeters, multiply by 100.
  • To convert centimeters to millimeters, multiply by 10.
  • To convert meters to kilometers, divide by 1000.

📝 Practice Quiz

1. A desk is 1 meter long. How many centimeters long is it?

   1. 10 cm
   2. 100 cm
   3. 1000 cm
   4. 1 cm

2. A crayon is 8 centimeters long. How many millimeters long is it?

   1. 800 mm
   2. 8 mm
   3. 80 mm
   4. 0.8 mm

3. The distance between two cities is 5 kilometers. How many meters is that?

   1. 50 m
   2. 500 m
   3. 5000 m
   4. 50000 m

4. A string is 300 centimeters long. How many meters long is it?

   1. 3 m
   2. 30 m
   3. 3000 m
   4. 0.3 m

5. A small ant is 2 millimeters long. How many centimeters is that?

   1. 20 cm
   2. 0.2 cm
   3. 0.02 cm
   4. 200 cm

6. What unit would you use to measure the length of a football field?

   1. Millimeters
   2. Centimeters
   3. Meters
   4. Kilometers

7. A road is 2000 meters long. How many kilometers long is it?

   1. 20 km
   2. 2 km
   3. 200 km
   4. 0.2 km