Ratios
Proportional Relationships
Random!
Fraction Operations
FDP
100
What are the three ways to write a ratio?
fraction in simplest form, using a colon, using the word "to"
100
When you think of a proportional relationship, what operation should you always be using?
Multiplication
100
DOUBLE POINTS!!!
Use your whiteboard to draw a multiplication model to represent
1/4times2/5
Answers on whiteboards
100
What is the product of
2 1/3 and 1 1/5
2 4/5
100
Convert 20% into a fraction in simplest terms.
1/5
200
Kevin had 12 pens. 6 of the pens were blue. Write the ratio of blue pens to total pens Kevin had as a fraction in simplest form.
1/2
200
Examine the table below and determine if there is a proportional relationship between the time spent on a cell phone and the cost of Wi-Fi.
Yes, we are multiplying by 3 in each row
200
What relationship describes the ratio 2 to 5?
A) The ratio of vanilla to chocolate if Kayla buys 2 pints of chocolate ice cream and 5 pints of vanilla ice cream.
B) The ratio of chocolate to vanilla if Kayla buys 2 pints of chocolate ice cream and 5 pints of vanilla ice cream.
C) The ratio of strawberry to chocolate if Kayla buys 2 pints of strawberry ice cream and 7 pints of chocolate ice cream.
D) The ratio of strawberry to chocolate if Kayla buys 4 pints of strawberry ice cream and 2 pints of chocolate ice cream.
B
200
Find the quotient of
5/12 div 5/4
1/3
200
Write 4/5 as a decimal and a percentage.
0.80 or 0.8 and 80%
300
There are 10 comedies and 15 thriller movies on Netflix right now. Write the ratio of thrillers to total movies (between these two genres) all three ways.
3/5, 3:5 3 TO 5
300
Find out how much it would cost to buy 5 gumballs by completing the table below.
$1.00 because it is $0.20 per gumball
300
A marathon runner can run 21 miles in 3 hours. How many miles can the runner complete per hour?
7 miles
300
DOUBLE POINTS!!!
Mary wrote the comparison below. Tell if the comparison is true.
5/4times3>3
Yes, because 5/4 is greater than 1
300
Cameron is making a fruit salad. He decided that 3/8 of the fruit salad will be grapes. What percentage of the fruit salad is made up of grapes?
37.5%
400
The ratio of students to teachers at a daycare is 9:2. On your whiteboard, make a ratio table with three equivalent ratios that could represent the ratio of students to teachers.
Answers on whiteboards
400
DOUBLE POINTS!!!
Which two of the following representations show proportional relationships with the same unit rate?
A) 
B) A car travels at a constant speed of 45 miles per hour.
C) 
D) {(0, 0), (3, 4), (6, 8), (9,12), (12, 16)}
A, the graph and C, the table both represent a unit rate of 3/2 or 1.5
400
Which figure below represents a regular polygon?
C
400
In order to make a certain recipe, a chef needs 2 1/4 cups of sugar, 1 1/3 cups of flour, and 2/3 cup of brown sugar. How many total cups of ingredients does the chef combine?
4 1/4 cups total
400
DOUBLE POINTS!!!
Is the statement below true? Justify your answer.
45%>0.455
No, when you compare the thousandths place 5 is bigger than 0
500
DOUBLE POINTS!!!
Given the ratio 5:7 and the equivalent ratios 10:14 and X:35, what number is the value of X?
25
500
DOUBLE POINTS!!!
The points on the coordinate plane show the proportional relationship between x and y values.
Table 1 shows the proportional relationship from the coordinate plane
500
2 2/3div2/3 or 2 2/3div4
500
Each student in Mrs. Nalette's shop class needs a piece of wood 1/2 foot long to complete a project. She has one piece of wood that is 8 1/4 feet long. How many pieces that are exactly 1/2 foot long can be made from Mrs. Nalette's longer piece of wood. Your answer must be a whole number.
16 pieces of wood 1/2 foot long
500
Order the following from greatest to least.
15%, 9/10, 0.05
9/10, 15%, 0.05