Perimeter Patrol Quiz
Name:
Date:
Score: ___ / 20
Grade 3 Math Measurement & Data
Perimeter Patrol Quiz
Find the distance all the way around each shape. Show your addition!
Perimeter Formula
Add the lengths of all outer sides together!
Question 1 2 Points
Calculate the perimeter of this triangle.
6 cm 7 cm 5 cm
Show your work:
Perimeter =
cm
Question 2 2 Points
Calculate the perimeter of this rectangle.
8 in. 8 in. 4 in. 4 in.
Show your work:
Perimeter =
in.
Question 3 2 Points
Calculate the perimeter of this square.
9 ft 9 ft 9 ft 9 ft
Show your work:
Perimeter =
ft
Question 4 2 Points
Calculate the perimeter of this trapezoid.
6 m 12 m 5 m 5 m
Show your work:
Perimeter =
m
Perimeter Patrol Quiz • Standard 3.MD.D.8 Page 1 of 2 → Continue on back
Perimeter Patrol | Page 2: Polygons & Real-World Math
Student Name:
Question 5 2 Points
Calculate the perimeter of this 5-sided pentagon.
4 cm 4 cm 4 cm 4 cm 4 cm
Show your work:
Perimeter =
cm
Question 6 3 Points
Add all 6 sides to find the perimeter of this shape.
6 m 3 m 5 m 4 m 11 m 7 m
Show your work:
Perimeter =
m
Question 7 • Real-World Math 4 Points
Maya is helping build a fence around her rectangular vegetable garden. The garden is 10 feet long and 4 feet wide.
10 ft (length) 10 ft (length) 4 ft 4 ft Vegetable Garden
How many total feet of fencing does Maya need to surround the entire garden?
Show your addition sentence:
Maya needs:
feet of fence
Question 8 • Math Detective 5 Points
5 in. 5 in. 8 in.
Leo looked at this triangle and said:
"The perimeter is 13 inches because 5 + 8 = 13!"
A. What mistake did Leo make?
B. Show work & find the correct perimeter:
Correct Perimeter =
in.
Perimeter Patrol Quiz • Standard 3.MD.D.8 Double-check your work! • Page 2 of 2
