Test Your Knowledge: Converting Metric Length Units for 4th Grade

📚 Quick Study Guide

• 📏 Millimeter (mm): A very small unit of length. Think of the thickness of a fingernail.
• 📐 Centimeter (cm): A bit larger than a millimeter. About the width of your pinky finger. $1 \text{ cm} = 10 \text{ mm}$
• 🌳 Meter (m): A common unit for measuring height or the length of a room. $1 \text{ m} = 100 \text{ cm}$
• 🗺️ Kilometer (km): Used for measuring long distances, like the distance between cities. $1 \text{ km} = 1000 \text{ m}$
• 💡 Key Conversions:
  • $1 \text{ cm} = 10 \text{ mm}$
  • $1 \text{ m} = 100 \text{ cm}$
  • $1 \text{ m} = 1000 \text{ mm}$
  • $1 \text{ km} = 1000 \text{ m}$

✍️ Practice Quiz

1. What is 5 meters equal to in centimeters?
   1. 50 cm
   2. 500 cm
   3. 5 cm
   4. 5000 cm
2. How many millimeters are there in 8 centimeters?
   1. 800 mm
   2. 8 mm
   3. 80 mm
   4. 0.8 mm
3. Convert 3 kilometers to meters.
   1. 30 m
   2. 300 m
   3. 3000 m
   4. 3 m
4. What is 200 centimeters equal to in meters?
   1. 20 m
   2. 2 m
   3. 0.2 m
   4. 2000 m
5. How many centimeters are in 0.5 meters?
   1. 5 cm
   2. 50 cm
   3. 500 cm
   4. 0.05 cm
6. Convert 7000 meters to kilometers.
   1. 70 km
   2. 7 km
   3. 700 km
   4. 0.7 km
7. What is 25 mm equal to in cm?
   1. 0.25 cm
   2. 2.5 cm
   3. 250 cm
   4. 25 cm