Number System
What is the opposite of -4?
-2
-1/4
2
4
4
An airplane descended 4,000 feet before landing. The integer that represents how many feet the airplane was above the ground before it descent is ______.
4,000
Write the decimal equivalent for the rational number of 5/8.
0.625
A relationship in which for every X units of 1 quantity, there are Y units of another quantity. This is defined as a what?
Ratio
45 dogs: 15 cats and 15 dogs: 5 cats are corresponding to 3 dogs: 1 cat.
The number of dogs and the number of cats are in a what?
Proportional Relationship
Denise is packaging pencils for an art class. If she has 204 pencils into each box, how many boxes will Denise need.
16
17
18
19
17
Which of these situations can be represented with an integer that when combined with the opposite of -9 makes 0?
You walk down 9 flights of stairs.
You earn $9 from your job.
The temperature drops by 9 degrees.
You spend $9 on a book.
You earn $9 from your job.
Is the fraction 1/3 equivalent to a terminating decimal or a decimal that does not terminate?
A decimal that does not terminate
Nora and Jason are making homemade spring rolls for a party. Nora can make 8 spring rolls in 10 minutes. Jason can make 10 spring rolls in 12 minutes. If they each make 40 spring rolls, who will finish first?
Jason
Janet, Rosi, and Tanya buy postcards from their favorite souvenir shop. Janet buys 3 postcards for $1.05. Rosi buys 5 postcards for $1.75. Tanya buys 8 postcards for $2.80. Are the cost, y, in dollars and the number of postcards, x, proportional?
Yes
Which statement shows 2, -4, -1, and 0 in order from least to greatest?
2<-4<-1<0
-4<2<1<0
-4<-1<0<2
2<0<-1<-4
-4<-1<0<2
32 + (-17) is 17 units from 32, in the positive direction.
Is this statement true?
No
A scuba diving instructor takes a group of students to a depth of 54.96 feet. Then they ascend 22.38 feet to see some fish. Where are the fish in relation to the surface?
-32.58 feet below the surface
Crystal is comparing two internet service plans. Plan 1 costs $34.99 per month. Plan 2 costs $134.97 every 3 months. If Crystal plans to stay with one service plan for 1-year, which plan should she choose?
Plan 1
The relationship between X and Y is Proportional.
When X is 3, Y is 51.
What is X when Y is 204?
12
Malachi's garden is 2 3/5 meters long. He wants to plant tomato plants so that every plant has 1/5 of a meter of ground space to grow. How many plants can Malachi fit?
13
While playing a board game, Cecilia had to move back 6 spaces 9 times. What integer represents Cecilia's movement on the board for those 9 turns?
-54
The temperature in the late afternoon was -7.5 degrees Celsius. It dropped 5 degrees by early evening and then dropped another 8.5 degrees by midnight. What was the temperature at midnight?
-21 degrees Celsius
A contractor purchases 7 dozen pairs of padded work gloves for $103.32. He incorrectly calculates the unit price at $14.76 per pair. What is the correct unit price?
$1.23 per pair
Four movie tickets cost $30.00. Five concert tickets cost $36.50. Do the movies or the concert cost less per ticket and how much less?
The concert costs $0.20 less than the movies.
Jenae works at a clothing store and gets a bonus of $10 a month, plus $0.50 every time she sells the item of the month. Every time a customer compliments her service to the manager, she gets a $2 bonus. If Jenae sold the item of the month 17 times and received 2 customer compliments, what will her bonus be this month?
$22.50
Aubrey's monthly bank statement shows a total of $51 in fees for ATM withdrawals. That month, Aubrey made 17 ATM withdrawals.
Write out an expression to represent how each ATM withdrawal fee affected Aubrey's bank balance and simplify the expression.
What is the answer to the expression?
-$3
Peter signed up for a program that costs $10.50 per month to stream movies to his computer. He decided to cancel his service after 5/6 month. He only has to pay for the amount of time he used the service. What number represents the total change in the amount of money Peter has after paying for the service?
-$8.75
A nursery owner buys 5 panes of glass to fix some damage to her greenhouse. The 5 panes cost $14.25. Unfortunately, she breaks 2 more panes while repairing the damage. What is the cost of another 2 panes of glass?
$5.70
A garden hose fills a 2-gallon bucket in 5 seconds. The number of gallons, G, is proportional to the number of seconds, T, that the water is running. Which of the following equations represents the relationship between G and T?
t= 0.4g
g= 2.5t
g= 0.4t
g= 5/2t
g= 0.4t