Ratios and Proportions
Ty took the escalator to the second floor. The escalator is 12 meters long, and he rode the escalator for 30 seconds. How far did Ty travel in 2 minutes?
48 meters
You are stuck in a big traffic jam on the freeway and you are wondering how long it will take to get to the next exit, which is 1.5 miles away. You are timing your progress and find that you can travel 2/3 of a mile in one hour. If you continue to make progress at this rate, how long will it be until you reach the exit?
2 1/4
What is the last digit of 72011?
3
Find the area of the figure:
72 square feet
Which of the following is a statistical question?
1. How old is Mr. Patterson?
2. How many states has Juliana visited?
3. How many students are in class today?
4. How many students eat lunch in the cafeteria each day?
4
The grocery store sells beans in bulk: 5 pounds for $4. What is the price per pound of beans?
$0.80 per pound
Denver, Colorado is 5280 feet above sea level. Death Valley, California is at an elevation of -282 feet. How many feet higher is Denver than Death Valley?
5562 feet
Write the expression for perimeter of a rectangle.
Find the perimeter of a rectangle with a length of 30 and a width of 75.
2(l+w)
210
Amy wants to build a cube with 3cm sides using 1cm cubes. How many cubes does she need?
27
Looking at the line plot, which box plot represents the same data as the line plot?
C
If 2 pounds of flour costs $5, how much will 15 pounds of flour cost?
$37.50
What quadrant is point A (-4, 6) in?
Quadrant 2
Which of the following expressions are equivalent?
1,2,4
Draw a polygon given the vertices:
(-7,4) (-8,5) (-8,6) (-7,7) (-5,7) (-5,5) (-7,4)
What type of polygon did you create?
hexagon
What is the mean of the following measurements (in grams):
15, 15, 20, 20, 10, 15, 15, 42
19 grams
Alexis needs to paint the four exterior walls of a large rectangular barn. The length of the barn is 80 feet, the width is 50 feet, and the height is 30 feet. The paint costs $28 per gallon, and each gallon covers 420 square feet. How much will it cost Alexis to paint the barn? Explain your work.
7800 square feet
=
A town's total allocation for firefighter's wages and benefits in a new budget is $600,000. If wages are calculated at $40,000 per firefighter and benefits at $20,000 per firefighter, write an equation whose solution is the number of firefighters the town can employ if they spend their whole budget. Solve the equation.
600,000=40,000x+20,000x
x=10
What three dimensional shape does the following net make?:
square pyramid
What is the median of the following measurements (in grams):
15, 15, 20, 20, 10, 15, 15, 42
15
In a bag of marbles, 3/5 of the marbles are blue and the rest are red. If the number of red marbles is doubled and the number of blue marbles stays the same, what fraction of the marbles will be red?
4/7
What is the distance between the two points: A (-1,2) and B (3,2)
4 units
At Sea World San Diego, kids are only allowed into the Air Bounce if they are between 37 and 61 inches tall. Write an inequality to represent the heights of who can go into the Air Bounce.
31 (less than or equal to) h (less than or equal to) 61
For a square pyramid: If the side length of the square is 2 units and the height of the triangles is 3 units, what is the surface area of this shape?
16 square units
Which of the following data points is the outlier:
15, 15, 20, 20, 10, 15, 15, 42
42