Practice with the help of Spectrum Math Grade 5 Answer Key Chapter 8 Lesson 8.5 Calculating Area regularly and improve your accuracy in solving questions.
Spectrum Math Grade 5 Chapter 8 Lesson 8.5 Calculating Area Answers Key
Area is the number of square units needed to cover a surface.
To calculate the area of a square or rectangle, multiply the measure of the length by the measure of the width.
The area of a rectangle 5 feet in length and 4 feet in width is 20 square feet.
Find the area of each figure.
Question 1.
a.
A = _____________ sq. in.
Answer:
A = 15 sq. in.
Explanation:
We know that,
Area is the number of square units needed to cover a surface.
To calculate the area of a square or rectangle,
multiply the measure of the length by the measure of the width.
The area of a rectangle 5 in in length and 3 in in width is 15 square in.
b.
A = _____________ sq. ft.
Answer:
A = 16 sq. ft.
Explanation:
We know that,
Area is the number of square units needed to cover a surface.
To calculate the area of a square or rectangle,
multiply the measure of the length by the measure of the width.
Area = Length x Width
A = 4 x 4 = 16 sq ft.
The area of a rectangle 4 ft in length and 4 ft in width is 16 square ft.
c.
A = ______________ sq. ft.
Answer:
A = 16 sq. ft.
Explanation:
We know that,
Area is the number of square units needed to cover a surface.
To calculate the area of a square or rectangle,
multiply the measure of the length by the measure of the width.
The area of a rectangle 4 ft in length and 4 ft in width is 16 square ft.
Question 2.
a.
A = _____________ sq. yd.
Answer:
A = 14 sq. yd.
Explanation:
We know that,
Area is the number of square units needed to cover a surface.
To calculate the area of a square or rectangle,
multiply the measure of the length by the measure of the width.
The area of a rectangle 7 yd. in length and 2 yd. in width is 14 square yd.
b.
A = ____________ sq. in.
Answer:
A = 49 sq. in.
Explanation:
We know that,
Area is the number of square units needed to cover a surface.
To calculate the area of a square or rectangle,
multiply the measure of the length by the measure of the width.
The area of a rectangle 7 in. in length and 7 in. in width is 49 square in.
c.
A = ____________ sq. yd.
Answer:
A = 6 sq. yd.
Explanation:
We know that,
Area is the number of square units needed to cover a surface.
To calculate the area of a square or rectangle,
multiply the measure of the length by the measure of the width.
The area of a rectangle 3 yd. in length and 2 yd. in width is 6 square yd.
Question 3.
a.
A = ____________ sq. ft.
Answer:
A = 64 sq. ft.
Explanation:
We know that,
Area is the number of square units needed to cover a surface.
To calculate the area of a square or rectangle,
multiply the measure of the length by the measure of the width.
The area of a rectangle 8 ft. in length and 8 ft. in width is 64 square ft.
b.
A = ______________ sq. in.
Answer:
A = 45 sq. in.
Explanation:
We know that,
Area is the number of square units needed to cover a surface.
To calculate the area of a square or rectangle,
multiply the measure of the length by the measure of the width.
The area of a rectangle 9 in. in length and 5 in. in width is 45 square in.
c.
A = ______________ sq. yd.
Answer:
A = 30 sq. yd.
Explanation:
We know that,
Area is the number of square units needed to cover a surface.
To calculate the area of a square or rectangle,
multiply the measure of the length by the measure of the width.
The area of a rectangle 3 yd. in length and 10 yd. in width is 30 square yd.
To calculate the area of an irregular shape, you must first divide the shape into smaller rectangles or squares.
Next, you must find the area of each individual rectangle or square.
Then, add the area of each rectangle and square together to find the total area of the irregular shape.
The area of this shape is 46 square centimeters.
Find the area of each figure.
Question 1.
a.
A = ___________ sq. in.
Answer:
A = 10 sq. in.
Explanation:
We know that,
Area is the number of square units needed to cover a surface.
To calculate the area of a square or rectangle,
multiply the measure of the length by the measure of the width.
The area of a rectangle 5 in. in length and 2 in. in width is 10 square in.
b.
A = ___________ sq. in.
Answer:
A = 63 sq. in.
Explanation:
We know that,
Area is the number of square units needed to cover a surface.
To calculate the area of a square or rectangle,
multiply the measure of the length by the measure of the width.
The area of a rectangle 7 in. in length and 9 in. in width is 63 square in.
c.
A = ___________ sq. in.
Answer:
A = 9 sq. in.
Explanation:
We know that,
Area is the number of square units needed to cover a surface.
To calculate the area of a square or rectangle,
multiply the measure of the length by the measure of the width.
The area of a square 3 in. in length and 3 in. in width is 9 square in.
Question 2.
a.
A = ___________ sq. cm
Answer:
A = 40 sq. cm.
Explanation:
We know that,
Area is the number of square units needed to cover a surface.
To calculate the area of a square or rectangle,
multiply the measure of the length by the measure of the width.
b.
A = ___________ sq. cm
Answer:
A = 16 sq. cm.
Explanation:
We know that,
Area is the number of square units needed to cover a surface.
To calculate the area of a square or rectangle,
multiply the measure of the length by the measure of the width.
Area = Length x Width
A = 8 x 2
A = 16 Sq cm
c.
A = ___________ sq. cm
Answer:
A = 24 sq. cm.
Explanation:
We know that,
Area is the number of square units needed to cover a surface.
To calculate the area of a square or rectangle,
multiply the measure of the length by the measure of the width.
Area = Length x Width
A = 6 x 4
A = 24 sq cm.
Question 3.
a.
A = ___________ sq. cm
Answer:
A = 36 sq. cm.
Explanation:
To calculate the area of an irregular shape,
you must first divide the shape into smaller rectangles or squares.
Then, add the area of each rectangle and square together to find the total area of the irregular shape.
b.
A = ___________ sq. cm
Answer:
A = 31 sq. cm.
Explanation:
To calculate the area of an irregular shape,
you must first divide the shape into smaller rectangles or squares.
Then, add the area of each rectangle and square together to find the total area of the irregular shape.
Area for complete rectangle,
A = Length x Width
A = 7 x 5
A = 35 sq cm
sum of 4 squares = 4 sq cm.
c.
A = ___________ sq. cm
Answer:
A = 25 sq. cm.
Explanation:
We know that,
Area is the number of square units needed to cover a surface.
To calculate the area of a square or rectangle,
multiply the measure of the length by the measure of the width.
Area = Length x Width
A = 5 x 5
A = 25 sq. cm
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