What is a ratio?
Unit 3 Review

Flashcard
•
Mathematics
•
7th Grade
•
Hard
Quizizz Content
FREE Resource
Student preview

15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
Back
A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.
2.
FLASHCARD QUESTION
Front
How do you write a ratio as a fraction?
Back
To write a ratio as a fraction, place the first quantity (part) over the second quantity (whole) in the form of a/b.
3.
FLASHCARD QUESTION
Front
What is the constant of proportionality in the equation y=kx?
Back
The constant of proportionality (k) is the ratio of y to x, representing how much y changes for a unit change in x.
4.
FLASHCARD QUESTION
Front
If a scale is 1 inch = 2 feet, how do you convert feet to inches?
Back
To convert feet to inches, multiply the number of feet by the scale factor (0.5) since 1 inch represents 2 feet.
5.
FLASHCARD QUESTION
Front
How do you set up a proportion to solve for an unknown height?
Back
6.
FLASHCARD QUESTION
Front
What is the formula for finding the equivalent ratio?
Back
To find an equivalent ratio, multiply or divide both terms of the ratio by the same non-zero number.
7.
FLASHCARD QUESTION
Front
How do you find the total number of students from a ratio of boys to girls?
Back
Add the parts of the ratio together to find the total. For example, if the ratio is 5 boys to 8 girls, total = 5 + 8 = 13.
Create a free account and access millions of resources
Similar Resources on Quizizz
15 questions
ratios and proportions

Flashcard
•
7th Grade
15 questions
Ms. Ellis Ratios

Flashcard
•
7th Grade
15 questions
Proportions Practice

Flashcard
•
7th Grade
15 questions
Ratios and Proportions

Flashcard
•
7th Grade
14 questions
Ms. Ellis Ratios

Flashcard
•
7th Grade
14 questions
Proportional Reasoning

Flashcard
•
7th Grade
15 questions
Proportions Review

Flashcard
•
7th Grade
15 questions
Ratios and Proportional Relationships

Flashcard
•
7th Grade
Popular Resources on Quizizz
25 questions
Equations of Circles

Quiz
•
10th - 11th Grade
30 questions
Week 5 Memory Builder 1 (Multiplication and Division Facts)

Quiz
•
9th Grade
33 questions
Unit 3 Summative - Summer School: Immune System

Quiz
•
10th Grade
10 questions
Writing and Identifying Ratios Practice

Quiz
•
5th - 6th Grade
36 questions
Prime and Composite Numbers

Quiz
•
5th Grade
14 questions
Exterior and Interior angles of Polygons

Quiz
•
8th Grade
37 questions
Camp Re-cap Week 1 (no regression)

Quiz
•
9th - 12th Grade
46 questions
Biology Semester 1 Review

Quiz
•
10th Grade