Real-World Examples of Area Measurement in Daily Life

📚 Quick Study Guide

• 📐 Area is the amount of two-dimensional space a shape covers.
• 📏 Common units for area include square inches (in²), square feet (ft²), square meters (m²), and acres.
• 🔢 Rectangle Area: $A = l \times w$ (length × width)
• 🧮 Square Area: $A = s^2$ (side × side)
• 🔶 Parallelogram Area: $A = b \times h$ (base × height)
• 🔼 Triangle Area: $A = \frac{1}{2} \times b \times h$ ($\frac{1}{2}$ × base × height)
• 🔵 Circle Area: $A = \pi r^2$ ($\pi$ × radius squared)

Practice Quiz

1. What is the area of a rectangular garden that is 12 feet long and 8 feet wide?
   1. A) 20 square feet
   2. B) 40 square feet
   3. C) 96 square feet
   4. D) 100 square feet
2. You want to paint a wall that is 10 feet high and 15 feet long. If one gallon of paint covers 150 square feet, how many gallons do you need?
   1. A) 0.5 gallons
   2. B) 1 gallon
   3. C) 1.5 gallons
   4. D) 2 gallons
3. A circular pizza has a diameter of 16 inches. What is the approximate area of the pizza? (Use $\pi = 3.14$)
   1. A) 50.24 square inches
   2. B) 100.48 square inches
   3. C) 200.96 square inches
   4. D) 803.84 square inches
4. What is the area of a triangular piece of fabric with a base of 6 inches and a height of 9 inches?
   1. A) 15 square inches
   2. B) 27 square inches
   3. C) 30 square inches
   4. D) 54 square inches
5. You're tiling a kitchen floor that measures 10 feet by 12 feet. Each tile is 1 square foot. How many tiles do you need?
   1. A) 22 tiles
   2. B) 44 tiles
   3. C) 120 tiles
   4. D) 144 tiles
6. A farmer needs to fence a square field with sides of 50 meters. What is the area of the field?
   1. A) 100 square meters
   2. B) 200 square meters
   3. C) 2500 square meters
   4. D) 10000 square meters
7. Calculate the area of a parallelogram-shaped window with a base of 36 inches and a height of 18 inches.
   1. A) 54 square inches
   2. B) 648 square inches
   3. C) 324 square inches
   4. D) 108 square inches