How does your garden grow?
Complying with Title IX
Fish-inches
Minding your Ps and Qs
Extra
100
What are the rules to know it is proportional?
1) A straight Line that goes through Origin (0,0)
2) All ratios are the same rate (equivalent or constant)
100
What equation do we use to find the constant of proportionality?
y/x
100
1/2a=5
solve for a
a=10
100
Finish the Table
Slot 1: 5
Slot 2: 12
100
Use >,<, or = to make a statement.
2 in ___ 4 cm
>, because 1 inch = 2.54 cm
200
Proportional or Not Proportional
Not Proportional
200
There are 5 football players for every 6 coaches.
Write an equation to determine how many coaches there are if you know how many football players there are.
c=6/5f
200
What is a variable?
A letter like x, or a that represents an unknown number
200
Fill out the table.
Slot 1: 1/8
Slot 2: 2.5
Slot 3: 3
200
A large size bag of Skittles costs $3.14 and contains 157 candies. How much does EACH candy cost?
0.02
2 cents
300
Vanessa and Michelle must decide how to divide 16 marbles among themselves. How many mables does each girl have?
8 marbles per girl
300
There are 5 football players for every 6 coaches.
Write an equation to determine how many football players there are if you know the number of coaches.
f=5/6c
300
The a recipe shows the relationship between the cups of water, x and pounds of beef, y, needed for beef casserole to be 3 pounds of beef for every 1 cup of water. What is the constant of proportionality and the equation?
k=3
y=3x
300
The constant of proportionality between the number of fiction (f) and the number of nonfiction books (n) is 15/22. There are 3498 nonfiction books in the library. How many fiction books are in the library.
y=15/22x
y=15/22 * (3498)
2385 fiction books
300
Briana is making banana pudding for the class party. The recipe she is using calls for 2 cups of pudding to make 5 cups of banana pudding. Complete the table.
Check table printed.
Complete table.
400
Michael knows he can buy 2 apples for $2.50, he has $10 to spend on apples. How many apples can he buy?
He can buy 8 apples
400
There are 5 football players for every 6 coaches.
If there are 50 football players in the team, how many coaches are there?
60 coaches
400
The graph show the relationship between the number of posters in a classroom, x, and the number of thumbtacks used to hold them up, y to be 2 posters need 16 thumbtacks. What is the constant of proportionality?
k=8
400
The constant of proportionality between the number of cats (c) in a pet shelter and the number of dogs (d) in the shelter is 3.
Write the equation to represent the situation.
c=3d
400
Determine the unit rate for each situation.
1. $26.99 for 15 pounds
2. 15 miles jogged in 3.75 hours
1. Approximately $1.80 per pound
2. 4 miles per hour
500
There are 3 girls for every 5 boys in Ms. William's First grade class room. If we know there are 9 girls, how many boys are in the class?
there are 15 boys in the class.
500
Use the equation y=kx
k=1/4 and y=5, solve for x
x=20
500
Look at the Table.
Tell me the variables, equation, and Proportional or Not proportional.
Variables: T-# of Trees A- # of Apples
a=13t
Proportional, because there is a constant ratio of 13 to 1
500
The constant of proportionality between the number of cats (c) in a pet shelter and the number of dogs (d) in the shelter is 3.
If there are 60 cats in the shelter. How many dogs are in the shelter?
20 dogs
500
Calculate the area of the shaded region. Use 3.14. A=πr2
Rectangle:1000
Circle: 200.96
Answer: 799.04