Ratios and Proportional Relationships
There are 20 baseball players. 7 are left-handed. Write the ratio of left-handed players to right-handed players.
7:13
List all the factors of 18
1,2,3,6,9,18
Solve for d:
d + 45 = 87
d=42
What is the area of a triangle with a base of 7ft and a height of 4 ft Don't forget your units!
A= (1/2)(b)(h)
14 ft2
Find the mean of this set of numbers:
20, 21, 29, 12, 12, 22, 17
19
What is 20% of 450?
90
What quadrant is the coordinate (3, -4) in?
Q4
Simplify the expression: 3(4j+9)
12j+27
What is the perimeter of the rectangle with a length of 16 inches and a width of 11 inches? Don't forget your units!
54 inches
Which of the following is a statistical question?
A) What animal is the mascot for the Boston Bruins?
B) What is the address of AMS?
C) How many pets do you have?
D) How many states are in the United States?
C
Lillian is going on a road trip. She paid $42.56 for 14 gallons of gas. What did she pay per gallon?
$3.04
Joe recorded a temperature of -12 degrees in the morning, in the afternoon Alicia recorded a temperature of 15 degrees. How much did the temperature rise throughout the day?
27 degrees
What number in this expression is the coefficient?
7+4x-32
4
What is the area of a trapezoid with a top base of 6 cm, a bottom base of 10 cm, and a height of 5 cm? Don't forget your units!
A=((a+b)/2) x h
40 cm2
Find the median of this set of numbers:
9, 13, 15, 11, 10, 11, 15
11
There are 15 red tulips, 13 yellow tulips, and 19 daisies. Write the ratio for the number of tulips to the total number of flowers.
28:47
What is the least common multiple (LCM) of 8 and 12?
24
What equation is x=6 a solution to?
A) 7(x)=48
B) x/3=3
C) 2x+3=15
C
A school ordered a new deep freezer, it is 6 feet long, 2 feet wide, and 3 feet deep. What is the volume of the freezer? Don't forget your units!
V=(l)(w)(h)
36 ft3
27, 32, 29, 24, 37, 33, XX
38
What is the better buy? 2 quarts of juice for $3.98 or 3 quarts of juice for $5.19
3 quarts of juice ($1.73 per quart)
2 quarts would be $1.99 per quart
Put the following numbers in order from least to greatest: 1, 9/10, l-5l, 5/6
5/6, 9/10, 1, l-5l
On Black Friday, Jack waited in line for hours to get a new TV. He ended up getting an awesome deal on a 70-inch-wide TV. Jack's new TV is n inches wider than his old TV, which was 50 inches wide. Write an equation that models this story.
50+n=70
What is the area AND perimeter of a square with a side length of 7 meters? Don't forget your units!
Area: 49 m2
Perimeter: 28 meters
What is the outlier in this set of numbers? If it is removed will the mean increase or decrease?
22, 29, 19, 30, 27, 31, 63, 20
Outlier: 63
If removed the mean will DECREASE