# Percent Change And Area Problems Problems

8 questions

### #1 of 8:Mild

Percent change and area problems

A rectangle has a length of 20 inches and a width of 10 inches. Both the length and the width of the rectangle increase by 20%. What is the area of the new rectangle after the changes in its length and width? What is the percent change in the area of the rectangle?

### #2 of 8:Medium

Percent change and area problems

A rectangle has a length of 10 yards and a width of 40 yards. The length of the rectangle increases by 40% and the width of the rectangle decreases by 25%. What is the area of the new rectangle after the changes in its length and width? What is the percent change in the area of the rectangle?

### #3 of 8:Medium

Percent change and area problems

A rectangle has a length of 30 feet and a width of 32 feet. The length of the rectangle increases by 20% and the width of the rectangle decreases by 25%. What is the area of the new rectangle after the changes in its length and width? What is the percent change in the area of the rectangle?

### #4 of 8:Medium

Percent change and area problems

A rectangle has a length of 25 feet and a width of 35 feet. Both the length and the width of the rectangle decrease by 40%. What is the area of the new rectangle after the changes in its length and width? What is the percent change in the area of the rectangle?

### #5 of 8:Medium

Percent change and area problems

A rectangle has a length of 25 inches and a width of 12 inches. The length of the rectangle increases by 4% and the width of the rectangle decreases by 25%. What is the area of the new rectangle after the changes in its length and width? What is the percent change in the area of the rectangle?

### #6 of 8:Spicy

Percent change and area problems

A rectangle has a length of 32 meters and a width of 8 meters. Both the length and the width of the rectangle increase by 45%. What is the area of the new rectangle after the changes in its length and width? What is the percent change in the area of the rectangle?

### #7 of 8:Spicy

Percent change and area problems

A rectangle has a length of 16 feet and a width of 24 feet. The length of the rectangle decreases by 12% and the width of the rectangle increases by 12%. What is the area of the new rectangle after the changes in its length and width? What is the percent change in the area of the rectangle?

### #8 of 8:Spicy

Percent change and area problems

A rectangle has a length of 32 inches and a width of 8 inches. The length of the rectangle increases by 12.5% and the width of the rectangle decreases by 37.5%. What is the area of the new rectangle after the changes in its length and width? What is the percent change in the area of the rectangle?

By working on percent change and area practice problems, students can deepen their understanding of mathematical concepts and how they apply in real-world situations. Practice can help students become more comfortable and confident with mathematical concepts and problem-solving, which can lead to better performance in math class and standardized tests. Percent change and area math problems can help students become familiar with the...

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Percents
7.RP.A.3

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Stephen Abate
19-year math teacher
Carmel, CA
Any math teacher that I know would love to have access to ByteLearn.
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4-year math teacher
Summerville, SC
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Miami, FL
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### What teachers are saying about BytelearnWhat teachers are saying

Stephen Abate
19-year math teacher
Carmel, CA
Any math teacher that I know would love to have access to ByteLearn.
Jennifer Maschino
4-year math teacher
Summerville, SC
“I love that ByteLearn helps reduce a teacher’s workload and engages students through an interactive digital interface.”
Rodolpho Loureiro
Dean, math program manager, principal
Miami, FL
“ByteLearn provides instant, customized feedback for students—a game-changer to the educational landscape.”