What is the unit rate/constant of proportionality?
7th Grade Practice Test - 1.08.2025

Flashcard
•
Mathematics
•
7th Grade
•
Hard
Mina Sigurdson
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
The unit rate or constant of proportionality is the ratio of two quantities when they are in a proportional relationship, expressed as a single value. For example, in the relationship of 60 miles in 1 hour, the unit rate is 60 miles/hour.
2.
FLASHCARD QUESTION
Front
What is a scale factor?
Back
A scale factor is a number that scales, or multiplies, some quantity. It is used in geometry to determine the ratio of the lengths of corresponding sides of similar figures.
3.
FLASHCARD QUESTION
Front
How do you find the scale of a drawing?
Back
To find the scale of a drawing, divide the actual length by the length in the drawing. For example, if a soccer field is 98 yards long and is drawn as 14 inches, the scale is 98 yards / 14 inches = 7 yards per inch.
4.
FLASHCARD QUESTION
Front
What is the area of a square?
Back
The area of a square is calculated by squaring the length of one of its sides. If the side length is 's', then the area A = s².
5.
FLASHCARD QUESTION
Front
If 2 inches = 5 feet in a scale drawing, what is the area of the drawing if the actual garden has a side length of 25 feet?
Back
First, convert the actual side length to the drawing's scale: 25 feet = 10 inches. Then, the area of the scale drawing is 10 in × 10 in = 100 in².
6.
FLASHCARD QUESTION
Front
What does it mean for two triangles to be similar?
Back
Two triangles are similar if their corresponding angles are equal and the lengths of their corresponding sides are proportional.
7.
FLASHCARD QUESTION
Front
How do you determine corresponding sides in similar triangles?
Back
Corresponding sides in similar triangles are the sides that are in the same relative position in each triangle. For example, if triangle ABC is similar to triangle DEF, then side AB corresponds to side DE.
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