Perimeter and area examples grade 4

📚 Quick Study Guide

• 📏 Perimeter: The distance around a shape. To find it, add up the lengths of all the sides.
• 📐 Area: The amount of space inside a shape.
• 🟩 Area of a Rectangle: Multiply the length by the width. Formula: $A = l \times w$
• 🧮 Area of a Square: Multiply the side length by itself. Formula: $A = s \times s$
• ➕ Units: Remember to include units (e.g., cm, m, inches) and square the units for area (e.g., cm², m², inches²).
• 💡 Tip: Draw a picture to help visualize the problem!

Practice Quiz

1. What is the perimeter of a rectangle with a length of 8 cm and a width of 5 cm?
   1. 13 cm
   2. 26 cm
   3. 40 cm
   4. 20 cm
2. What is the area of a square with a side length of 6 inches?
   1. 12 inches²
   2. 24 inches²
   3. 36 inches²
   4. 48 inches²
3. A rectangular garden is 10 meters long and 4 meters wide. What is its area?
   1. 14 meters²
   2. 28 meters²
   3. 40 meters²
   4. 40 meters
4. What is the perimeter of a square with a side length of 7 cm?
   1. 14 cm
   2. 21 cm
   3. 28 cm
   4. 49 cm
5. A rectangle has an area of 24 square inches and a width of 3 inches. What is its length?
   1. 6 inches
   2. 7 inches
   3. 8 inches
   4. 9 inches
6. What is the area of a rectangle with a length of 12 cm and a width of 5 cm?
   1. 17 cm²
   2. 34 cm²
   3. 60 cm²
   4. 24 cm²
7. A square has a perimeter of 20 meters. What is the length of each side?
   1. 4 meters
   2. 5 meters
   3. 6 meters
   4. 8 meters