Fun Perimeter Questions for Fourth Graders

📚 Quick Study Guide

📏 Perimeter Definition: The total distance around the outside of a shape. ➕ Calculating Perimeter: Add up the lengths of all the sides. 📐 Perimeter of a Rectangle: If length = $l$ and width = $w$, then Perimeter = $2l + 2w$. 🟩 Perimeter of a Square: If side = $s$, then Perimeter = $4s$. 💡 Units: Always remember to include the unit of measurement (e.g., cm, m, inches). ✍️ Problem Solving: Draw a diagram to help visualize the problem! 🧠 Real-World Examples: Think about fences, picture frames, and gardens!

✏️ Practice Quiz

1. What is the perimeter of a rectangle that has a length of 8 cm and a width of 5 cm?
   1. 13 cm
   2. 26 cm
   3. 40 cm
   4. 20 cm
2. A square has sides that are each 6 inches long. What is the perimeter of the square?
   1. 12 inches
   2. 18 inches
   3. 24 inches
   4. 30 inches
3. A triangle has sides of 4 cm, 7 cm, and 9 cm. What is the perimeter of the triangle?
   1. 16 cm
   2. 20 cm
   3. 28 cm
   4. 21 cm
4. What is the perimeter of a garden that is 12 meters long and 7 meters wide?
   1. 19 meters
   2. 38 meters
   3. 84 meters
   4. 24 meters
5. A rectangular picture frame is 10 inches wide and 15 inches high. How much wood is needed to make the frame (what is the perimeter)?
   1. 25 inches
   2. 50 inches
   3. 150 inches
   4. 30 inches
6. Farmer Joe wants to fence in his chicken coop. The coop is a square and one side is 9 feet long. How much fencing does he need?
   1. 18 feet
   2. 27 feet
   3. 36 feet
   4. 81 feet
7. Lisa is putting ribbon around a rectangular card. The card is 11 cm long and 6 cm wide. How much ribbon does she need?
   1. 17 cm
   2. 34 cm
   3. 66 cm
   4. 22 cm