Skip to content
free
K
1
2
practice
Home
Math
English
Science
Social Studies
Contact
Language
English
Español
Sign In
/
College Test Prep
/
ParaPro
/
Diagnose an Area-Formula Error
Grade Level
ParaPro
PPM.171 Diagnose an Area-Formula Error
0%
Skill Level
🔴 Hard
00:00
Progress to Next Level
25% to Medium
Easy
Medium
Hard
Mastery
100%
A rectangular bulletin board has area 72 square inches and width 8 inches. A student says the missing length is 72 - 8 = 64 inches. Which explanation best identifies the mistake?
A
The student used subtraction instead of dividing the area by the known width.
B
The student cannot use area to find a missing dimension.
C
The student used a perimeter formula that requires all four sides.
D
The student should have reported the missing length in square inches, based on the given work.
Submit Answer
