Finding Perimeter of Polygons

Quiz
•
Mathematics
•
3rd Grade
•
Hard
Standards-aligned
Lucelia Saldivar
FREE Resource
10 questions
Show all answers
1.
DRAG AND DROP QUESTION
30 sec • 10 pts
The distance around an object is called (a)
area
perimeter
Answer explanation
The distance around an object is known as the perimeter. It measures the total length of the edges or boundaries of a shape, distinguishing it from area, which measures the space within the shape.
Tags
TEKS.MATH.3.7B
2.
DROPDOWN QUESTION
30 sec • 10 pts
The perimeter of this square (with equal sides) is (a)
4 in.
16 in.
8 in.
Answer explanation
The perimeter of a square is calculated by the formula P = 4s, where s is the length of one side. If the perimeter is 16 in., then each side is 4 in. (16 in. ÷ 4). Thus, the correct answer is 16 in.
Tags
TEKS.MATH.3.7B
3.
DRAG AND DROP QUESTION
30 sec • 10 pts
The perimeter of this rectangle is (a)
21 units
12 units
3 units
None of the above.
Answer explanation
The perimeter of a rectangle is calculated as P = 2(length + width). If the perimeter is 12 units, it can be achieved with various length and width combinations, confirming that 12 units is the correct answer.
Tags
TEKS.MATH.3.7B
4.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
What is the perimeter?
9 units
12 sq units
12 units
None of the above
Answer explanation
The perimeter is the total distance around a shape. In this case, the correct answer is 12 units, which indicates the total length of all sides combined, while 12 sq units refers to area, not perimeter.
Tags
TEKS.MATH.3.7B
5.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
What's the perimeter of this triangle?
10 cm
11 cm
12 cm
13 cm
Answer explanation
To find the perimeter of a triangle, add the lengths of all three sides. If the sides are 4 cm, 4 cm, and 4 cm, the perimeter is 4 + 4 + 4 = 12 cm. Therefore, the correct answer is 12 cm.
Tags
TEKS.MATH.3.7B
6.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Ashley wants to use ribbon to put a border around her picture. The picture is 6 inches long and 4 inches wide. How much border will she need?
24 inches
20 inches
10 inches
Answer explanation
To find the border needed, calculate the perimeter of the picture. Perimeter = 2(length + width) = 2(6 + 4) = 2(10) = 20 inches. Therefore, Ashley needs 20 inches of ribbon for the border.
Tags
TEKS.MATH.3.7B
7.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
What is the perimeter of this polygon?
39 in
24 in
105 in
Answer explanation
To find the perimeter of the polygon, add the lengths of all its sides. The total length calculated is 39 inches, which matches the correct answer choice.
Tags
TEKS.MATH.3.7B
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