Examples of Mass Units: Grams, Kilograms, Pounds

📚 Quick Study Guide

• ⚖️ Grams (g): Basic unit of mass in the metric system. Commonly used for small amounts.
• 🌍 Kilograms (kg): 1 kg = 1000 g. Used for measuring larger masses.
• 🧱 Pounds (lbs): Unit of mass in the imperial system. 1 lb is approximately 453.6 g.
• 🔄 Conversion Formulas:
  • 🔢 kg to g: $kg \times 1000 = g$
  • ➗ g to kg: $g \div 1000 = kg$
  • ✖️ lbs to g: $lbs \times 453.6 = g$ (approximately)
  • ➗ g to lbs: $g \div 453.6 = lbs$ (approximately)
• 💡 Practical Tips: Think of a paperclip (about 1 gram), a liter of water (about 1 kilogram), and a loaf of bread (about 1 pound).

🧪 Practice Quiz

1. What is the mass of an object in grams if it weighs 2 kilograms?
   1. 200 g
   2. 2000 g
   3. 0.002 g
   4. 20 g
2. How many kilograms are in 5000 grams?
   1. 50 kg
   2. 0.5 kg
   3. 5 kg
   4. 500 kg
3. Approximately how many grams are in 3 pounds?
   1. 1360.8 g
   2. 1500 g
   3. 907.2 g
   4. 300 g
4. What is the equivalent of 10000 grams in kilograms?
   1. 1 kg
   2. 100 kg
   3. 10 kg
   4. 0.1 kg
5. If an object weighs 4536 grams, approximately how many pounds does it weigh?
   1. 1 lb
   2. 10 lbs
   3. 0.1 lbs
   4. 100 lbs
6. A recipe calls for 0.25 kilograms of flour. How many grams of flour are needed?
   1. 25 g
   2. 250 g
   3. 2500 g
   4. 2.5 g
7. What is the closest equivalent of 2.2 pounds in kilograms?
   1. 2.2 kg
   2. 1 kg
   3. 4.4 kg
   4. 0.5 kg