Farmer Bob needs to build a fence for his chickens. The area he wants to build a fence around is 40 feet long and 20 feet wide. How many feet of fence does he need to buy?
Formula for Area and Perimeter

Quiz
•
Mathematics
•
4th Grade
•
Hard
Anthony Clark
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
800 feet
120 feet
60 feet
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the AREA of this figure.
160 square feet
160 feet
160
1600 feet
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Mrs. Davis wanted to cover the classroom with new carpet. If the length of the classroom was 12 feet and the width was 8 feet. How much carpet would she need to buy?
20 feet
40 ft
96 square feet
40 square feet
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A = ___ x ____
w x l
l + l + w + w
l x w
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the missing length if the perimeter is 30cm?
12cm
13cm
30cm
5cm
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Marsha plans to make a square picture with an area of 36 square inches. Which could be the expression she used for 36 square inches?
8 × 6
7 × 6
6 × 6
5 × 6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the area of this shape
10 square units
12 square units
15 square units
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