7th Spiral F
A fish dives into a depth of −3/4 mile below the surface of the water. A turtle’s depth is 1/3
as deep as the fish’s depth. What is the turtle’s
depth?
−1/4 mile
What name is given to an angle that measures 90°?
right angle
What is the greatest common factor of 12 and 16?
4
Which number is less? −27 or −36
-36
A rectangular welcome mat is 30 inches long and 24 inches wide. What is the area of the welcome mat?
720 in2
Nigel borrows $250 and pays 5.5% simple interest each year. If he pays back the money in on year what is the total amount that he pays?
$263.75
Ralph ran 3 1/10 miles. What is the distance written as a decimal?
3.1 miles
Helen spends 12% of her budget on transportation expenses. Write this percent as a fraction and as a decimal.
3/25 and 0.12
An industrial machine is able to make 8 cups in 4 seconds. What is the rate made per second?
2
Factor the expression below using the greatest common factor.
2p(3p2 − p − 4)
A cube has a side length of 13 millimeters. What is the surface area of the cube?
1,014 mm2
Which of the letters does not have line symmetry?
G and S
Beth wants to paint her rectangular night stand that is 42 inches long and 28 inches wide. A quart of paint covers about 350 square inches. How many quarts of paint will Beth need to cover the entire night stand?
1176 in2
A triangular sail has a base length of 2.5 meters. The area of the sail is 3.75 square meters. How tall is the sail?
3 meters
Louise walks 9/8 miles around the lake. How many miles did Louise walk?
C
What is the difference of the expression below?
(12f − 8g + 3h) − (4f − g + 5h)
8f − 7g − 2h
Ms. Wilson wrote a row of numbers following a pattern.
12, 19, 26, 33,40
What should the next number be?
47
Perry divides up some candy to give equally to his six friends. If c represents the total amount, write an expression to represent how much candy each friend receives.
c/6
Apply the distributive property to produce an equivalent expression for 6(7e + 3).
42e + 18
Crystal reads 25 pages in 1/2 hour. Write an equation to represent the relationship between the number of pages Crystal reads and how much time she spends reading. Let p = number of pages and t = number of
hours.
p = 50t
Look at the data in the table below.
Set X| 20.45| 28 | 22.25 | 16.5 | 13 |18.05
Set Y| 21 | 6 | 5 | 14 | 9 | 40
Which data set has a smaller mean?
Set Y
A factory produced 3,000 candles every hour during a 5-hour shift. How many candles were produced during the shift?
15,000 candles
The grades on a Social Studies quiz are shown below. Make a box plot for the data.
78, 81, 80, 87, 91, 95, 89, 75, 76, 91, 100, 63
Dr. Price will do this one on the whiteboard.
Find the mean, median, interquartile range and mean absolute deviation of the set of numbers. Round to the nearest tenth, if necessary.
1, 1, 4, 8, 9, 3, 8
Mean = 4.9
Median = 4
I.Q.R. = 7
M.A.D. = 3
Which size random sample is likely to provide the most trustworthy results?
A