7.NS.1,2,3
Rational Numbers
Rational Numbers
10^-4 as a fraction and decimal is what?
1/10^4 , 1/10,000, and 0.0001
Mr. and Mrs. Stubbs will be visiting the art museum with their eight grandchildren. Tickets cost $20 for adults and $7.50 for children. How much will it cost for the whole family to visit the museum?
$100
SIMPLIFY
42+10-3(-3+5)
20
What is the difference between an EQUATION and an INEQUALITY?
EQUATIONS have an equal sign between two expressions
INEQUALITIES have <, >, <=, >= between expressions
Joey is training for a marathon. He burns 75 calories every hour running on a treadmill. At this rate, how many calories will Joey burn in 3 hours?
225 calories in 3 hours.
Which list is in order from least to greatest?
A 2/3, 6%, 6/10, 0.006
B 6/10, 6%, 2/3, 0.006
C 2/3, 6/10, 6%, 0.006
D 0.006, 6%, 6/10, 2/3
D
John earns $7.50 an hour. How many hours will John have to work to earn $600?
80 hours
Combine like terms
3a+10-4a-8
-a+2
SOLVE AND DRAW THE GRAPH OF THE INEQUALITY
-3x >= 12
x <= -4
In a carton of 12 strawberries, 1 in 6 strawberries are rotten. Using proportions, determine how many rotten strawberries are in the carton.
x=2
Arrange in descending order:
30%
1/9
0.20
30%
0.20,
1/9
Jeff made a chocolate pie on Monday. He and a friend ate half of it the next day. On Wednesday, they ate one half of the remaining pie. How much of the pie is left to eat on Thursday?
1/4
Combine like terms and simplify
5𝑥 −3+7-6x
-x+4
WHAT IS THE INEQUALITY SENTENCE TO DESCRIBE THIS SITUATION?
“Taylor has $18 to visit the county fair. Admission is $5 and rides are $3 each. What is the most amount of rides Taylor can go on?”
5+3r <= 18
You noticed that one out of four flower beds had roses growing. What percent of the flower beds did NOT have roses growing?
75%
Which of these is NOT a perfect square?
361
289
175
0
175
Home Depot sells five boards that are each 33 inches long. I need to cut each board into multiple pieces that are 8 1/4 inches long. How many pieces will I have after I cuts all of the boards?
20 pieces
What is the solution to the following expression when a=-8 and b=4?
a-4 / 3b-6
-2
Find the solution to
p-6>-7
p < -1
Your familiy has a budget of $500. They spend 45% of it on groceries. How much money do they have left for rent and utilities?
$275
Is this statement TRUE or FALSE?
PERFECT SQUARES AND SQUARE ROOTS ARE INVERSE OPERATIONS OF ONE ANOTHER.
TRUE
Janice and Bettie need to make 150 cupcakes for a school fundraiser. How many cupcakes are left to make?
Janice made 1/3 of the cupcakes
Bettie made 48 cupcakes
52 cupcakes
Evaluate the expression below when m=-3 and n=9?
mn+4n
63
SOLVE FOR THE VARIABLE
4w-1=7
w=2
You spend 5% of the day playing video games. How many minutes does he spend each day playing video games?
72 minutes