
Ratios
Presentation
•
Mathematics
•
6th - 8th Grade
•
Medium
+2
Standards-aligned
Enrique Sotomayor
Used 30+ times
FREE Resource
8 Slides • 11 Questions
1
Ratios
Let's take a deeper look into what ratios really are about
2
They compare things so you can see how they match up to each other.
Ratios
3
Multiple Choice
What are ratios?
Random fractions
at least 2 numbers being compared
Division
Witch craft by mathemagicians
4
Ratios compare at least 2 numeric values to each other
Like the number of girls to boys in a class.
The amount you pay for fruits when weighted.
The number of bags of Takis to the amount paid.
5
When comparing order is important
How something is said determines the ratio order.
6
Multiple Choice
In a class there are 20 boys and 15 girls. The ratio of girls to boys is
20:15
20:10
15:20
10:20
7
Your answer should have:
number of dogs : number of cats.
If you are asked for dogs compared to cats.
8
Multiple Choice
At the zoo, Steve counted 4 tigers for every 5 lions and 3 elephants for ever 4 giraffes. Which is the ratio for lions to tigers?
Select all the apply.
5:4
4:5
3:4
4:3
9
Fill in the Blanks
Type answer...
10
Multiple Choice
According to the recipe for pie crust, what is the ratio of flour to fat?
(fat is butter or oil)
2:1
3:2
3:1
1:3
11
Comparing at least 2 values to each other, in which order is of the utmost importance.
Grandma drove the car not the car drove grandma
Ratio
Equivalent Ratios
12
Multiple Choice
Which of the following are equivalent to 5:12 ?
15:12
5:24
10:24
12:5
13
A scale factor is what the ratio is increasing by, like:
When we say to double, we are using the scale factor of ____.
Or when we say triple, we are using the scale factor of _____.
Ratios and their scale factors
14
Fill in the Blanks
Type answer...
15
Multiple Choice
At Addie's Pet Shop there are 3 cats to every 7 dogs what is the scale factor if there is a total of 30 pets?
7:3
3:7
3
5
16
Multiple Choice
At the aquarium Billy counted 3 sharks to every 8 penguins, if the ratio was only a third of the actual amount what is the real number of sharks to penguins?
9:24
6:16
24:9
16:9
17
Scale Factors can shrink too.
When we use a scale factor to reduce the ratio like 10:12 can be reduced to a ratio of 5:6
In this case the ratio has a scale factor of 1/2
18
Fill in the Blanks
Type answer...
19
Multiple Choice
Jeff is making cookies that use 3 cups of flour for every 2 teaspoon of vanilla. If Jeff had 6 teaspoons of vanilla how much flour will he need?
10 cups
12 cups
9 cups
6 cups
Ratios
Let's take a deeper look into what ratios really are about
Show answer
Auto Play
Slide 1 / 19
SLIDE
Similar Resources on Wayground
16 questions
Perimeter and Area Review
Presentation
•
6th - 8th Grade
16 questions
Intro to Circles
Presentation
•
6th - 8th Grade
16 questions
Types of Solutions
Presentation
•
6th - 8th Grade
14 questions
Independent Events
Presentation
•
6th - 9th Grade
14 questions
Inverse Operations
Presentation
•
7th - 8th Grade
15 questions
Linear Equations STAAR Review
Presentation
•
7th - 8th Grade
14 questions
Classifying Triangles
Presentation
•
10th Grade
13 questions
Transformation Reflection,Rotation,Translation
Presentation
•
KG - 8th Grade
Popular Resources on Wayground
24 questions
PBIS-HGMS Day 10
Quiz
•
6th - 8th Grade
10 questions
HCS SCI 03 Summer School Review 3
Quiz
•
3rd Grade
11 questions
Home Scope
Quiz
•
7th - 8th Grade
15 questions
HCS SCI 05 Summer School Assessment 3 Review
Quiz
•
5th Grade
35 questions
Lufkin Road Middle School Student Handbook & Policies Assessment
Quiz
•
7th Grade
18 questions
Geo 11.3 Area of Circles and Sectors
Quiz
•
9th - 11th Grade