Vocab
An angle measuring exactly 90 degrees.
Right Angle
A floor plan of a classroom uses a scale where 0.5 inches = 4 feet. If the classroom measures 3.5 inches long on the drawing, what is the actual length of the classroom in feet?
28 ft
True or False: Natural grass helps cool the air around it, whereas artificial turf fields can get significantly hotter than the air on a sunny day.
True
How wide is an American Football field? (in yards)
53 1/3 yd
Each NFL team has two challenges at the beginning of the game. How can a team earn a third challenge?
If a head coach wins at least one of their first two challenges.
Two lines that intersect at a right angle
Perpendicular
A right triangle has legs of length a = 6 cm and b = 8 cm. Calculate the hypotenuse, c.
10 cm
What is the main material used as "infill" to cushion modern artificial turf fields?
Crumb rubber (often made from recycled car tires) or sand
3, 4, 5 triangle
This season will conclude in February with Super Bowl 61. The Chiefs have won 4. What percentage of Super Bowls have the Chiefs won out of all the Super Bowls played to date?
6.7%
(4/60 x 100)
A measurement such as length, width, or height.
Dimension
A rectangular plot of land has a length of 25 meters and a width of 12 meters.
(a) Find the perimeter of the plot.
(b) Find the area of the plot.
(a) 74 m
(b) 300 m^2
Which surface typically has a higher initial installation (upfront) cost: natural grass or artificial turf?
Turf
Including both end zones, what are the dimensions of a football field in feet?
Length: 360 ft (120yd x 3)
Width: 160 ft (53 1/3 yd x 3)
What happens if an offensive player fumbles the ball forward into the opponent's end zone and it goes out of bounds through the end zone or over the end line?
It results in a touchback for the defensive team, meaning the defense gains possession of the ball
The ratio comparing a linear length on a model/drawing to the actual real world length.
Scale
A rectangular swimming pool blueprint is drawn using a scale of 1 inch = 10 feet. On the blueprint, the pool measures 2 inches wide by 4 inches long.
(a) Calculate the area of the pool on the blueprint in square inches.
(b) Calculate the actual length and width, then find the actual area of the pool in square feet.
(a) 8 sq in
(b) 800 sq ft
What common toe injury is frequently associated with the rigid traction of synthetic turf surfaces?
Turf Toe
An active NFL roster consist of 53 players. With an average weight of 245 pounds. How much does an average NFL team weigh, in tons?
6.5 tons
245 x 53 = 12,985 / 2000 = 6.49
What happens when an offensive player is tackled with the ball in their own end zone?
The defensive team scores two points known as a safety.
After the safety the team that was on offense must kick the ball to the opposing team via a free kick.
A physical or digital representation of an object built to a specific scale.
Model
An architectural firm builds a 1 : 250 scale model of a planned skyscraper.
If the actual skyscraper is 300 meters tall, how tall will the model be in centimeters?
120 cm
Approximately how often does an artificial turf field need to be completely replaced?
8-10 years
How much hotter can artificial turf surfaces get compared to natural grass on a warm day?
30-60 degrees
Averaging 4.6 yards per attempt. Approximately how many times would a running back have to carry the ball a game to rush 1000 yards in a 17 game season?
13
(1000/17 /4.6 = 12.8