Formulas
Equations
Equations
Final Jeopardy
100
The formula for area of a rectangle is: A = lw . Find the area of a rectangle with length(l) of 9 and width(w) of 3.
27
100
What is the solution to g/5 = 18 ?
g = 90
100

10m = 40

m = 4

100

1/2c = 3/4

c = 1 1/2

200
The formula for calculating the sum of the angles in a polygon with n sides is sum = 180n - 360 degrees. Find the sum of the angles in an pentagon (polygon with 5 sides).
540
200
Write and solve an equation that shows "the sum of four and a number is twelve."
4 + n = 12; n = 8
200

x + 8 = 20

x = 12

300
The formula to find the area of a triangle is 1/2 bh. Find the area of a triangle with a height of 8 and a base of 6.
24
300
12.6y = 28
y = 2.2 (with a line over the second 2 to show that it repeats)
300

m/4 = 6

m = 24

400
The formula for calculating the surface area of a cube is SA = 6s2 . What is the surface area of a cube with sides of 4.9?
144.06
400

Write and solve an equation for this following situation. 

8 less than a number is 6

n - 8 = 6

n = 14

400

Write and solve an equation for the following: The quotient of a number and 5 is 9.

Let n = a number 

n/5 = 9 

n = 45

500

The formula to convert Celsius to Farenheit is: F = 9/5 C + 32 Find the Farenheit equivalent of 25 degrees Celsius.

77 degrees Fahrenheit

500

Write and solve an equation for this following situation. (You may not start with the variable alone on one side.)

A parking meter had 18 quarters in it by noon. By the end of the day, it had 41 quarters in it. How many quarters were put into the parking meter in the afternoon? Let q = the number of quarters added in the afternoon. 

18 + q = 41 or q + 18 = 41; q =23

500

Write and solve an equation for the following situation: Daniel can save $30 each month for a new phone.  How many months will he have to save if the phone costs $150?

Let m = the number of months Daniel saves

30m = 150

m = 5 months

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