1. Splash Screen

2. Five-Minute Check (over Lesson 14–2) Main Idea
Key Concept: Area of a Rectangle
Example 1: Area of a Rectangle
Key Concept: Area of a Square
Example 2: Area of a Square
Lesson Menu

3. I will find the areas of rectangles.
Main Idea/Vocabulary

4. KC 1

5. Answer: The area of the flag is 216 square inches.
Area of a Rectangle
A rectangular flag is 18 inches long and inches wide. What is the area of the flag?
A = w
Formula for area of a rectangle
A = 18 × 12
Replace with 18 and w with 12.
A = 216
Multiply.
Answer: The area of the flag is 216 square inches.
Example 1

6. The rectangle is 21 cm long and 11 cm wide
The rectangle is 21 cm long and 11 cm wide. What is the area of the rectangle?
32 square centimeters
231 square centimeters
251 square centimeters
331 square centimeters A B C D
Example 1

7. KC 2

8. Find the area of the square parking lot shown.
Area of a Square
Find the area of the square parking lot shown.
A = s2
Formula for area of a square
A = 23 × 23
Replace s with 23.
A = 529
Simplify.
Answer: The area of the parking lot is 529 square yards.
Example 2

9. Find the area of the square shown below.
25 square yards
125 square yards
225 square yards
625 square yards A B C D
Example 2

10. End of the Lesson
End Lesson

11. Five-Minute Check (over Lesson 14–2) Image Bank Math Tool Chest
Volumes of Prisms
Resources

12. (over Lesson 14–2)
Estimate the area of the figure. Each square represents 1 square centimeter.
A. 10 square centimeters
B. 14 square centimeters
C. 18 square centimeters
D. 20 square centimeters A B C D
Five Minute Check 1

13. End of Custom Shows