Unit Quiz: Area & Perimeter
Instructions
This quiz tests everything you learned about area and perimeter. Answer all questions to see how well you've mastered these skills.
Questions
1. What is the area of a rectangle with length 8 units and width 5 units?
A) 13 square units
B) 26 square units
C) 40 square units
D) 40 units
Answer
C) 40 square units - Area = length x width = 8 x 5 = 40 square units.
2. What is the perimeter of a rectangle with length 8 units and width 5 units?
A) 13 units
B) 26 units
C) 40 units
D) 40 square units
Answer
B) 26 units - Perimeter = 2(8) + 2(5) = 16 + 10 = 26 units.
3. What is the perimeter of a square with sides of 6 cm?
A) 12 cm
B) 24 cm
C) 36 cm
D) 36 square cm
Answer
B) 24 cm - A square has 4 equal sides. Perimeter = 4 x 6 = 24 cm.
4. What is the area of a square with sides of 6 cm?
A) 12 square cm
B) 24 square cm
C) 36 square cm
D) 36 cm
Answer
C) 36 square cm - Area = 6 x 6 = 36 square cm.
5. A garden is 12 feet long and 7 feet wide. How much fencing is needed to go around it?
A) 19 feet
B) 38 feet
C) 84 feet
D) 84 square feet
Answer
B) 38 feet - Perimeter = 2(12) + 2(7) = 24 + 14 = 38 feet.
6. Which formula is used to find area of a rectangle?
A) length + width
B) 2 x length + 2 x width
C) length x width
D) length - width
Answer
C) length x width - Area = L x W.
7. A room is 9 meters by 4 meters. How many square meters of carpet are needed to cover the floor?
A) 13 square meters
B) 26 square meters
C) 36 square meters
D) 36 meters
Answer
C) 36 square meters - Area = 9 x 4 = 36 square meters.
8. A rectangle has perimeter 20 inches. If the length is 6 inches, what is the width?
A) 14 inches
B) 8 inches
C) 4 inches
D) 7 inches
Answer
C) 4 inches - 20 = 2(6) + 2(w), so 20 = 12 + 2w, 8 = 2w, w = 4.
9. When finding area, what type of units do you use?
A) Regular units (feet, meters)
B) Square units (square feet, square meters)
C) Cubic units
D) No units needed
Answer
B) Square units - Area is measured in square units because it covers a 2D space.
10. A rectangle has area 28 square feet and width 4 feet. What is the length?
A) 24 feet
B) 7 feet
C) 32 feet
D) 112 feet
Answer
B) 7 feet - Area = L x W, so 28 = L x 4, L = 28 / 4 = 7 feet.
How Did You Do?
- 9-10 correct: Excellent! You've mastered area and perimeter!
- 7-8 correct: Good job! Review the questions you missed.
- 5-6 correct: Keep practicing! Review the lessons in this unit.
- Below 5: Go back and review all the lessons before moving on.
Next Steps
- Review any concepts you found challenging
- Practice finding area and perimeter of objects around your home
- Remember: perimeter = around, area = inside
- Continue to the next Math unit: Data & Graphs