If Penelope had two apples and Yolanda ate half of one of the apples, what percent does Penelope have left? [Algebra 1 students only]
75%
100
Factor x2-x-6 [Algebra 1 students only]
(x-3)(x+2)
100
What type of triangle has two sides the same but not necessarily all three? [Algebra 1 and Geometry students only]
isoceles triangle
100
Janice has $2.13 in coins. 5 and only 5 of her coins are quarters. What is the smallest number of coins she could have, in total? [Algebra 1 students only]
17 (8 dimes, 1 nickel, 3 pennies, and the 5 quarters)
100
What is the loneliest number, according to a song made famous by the Australian band Three Dog Night?
One
200
What is 1/8 as a percent? [Algebra 1 students only]
12.5%
200
Factor a2-b2
(a+b)(a-b)
200
What shape has four equal length sides but is not a square?
a rhombus
200
Name the Italian mathematician, (ca. 1170 - ca. 1250), who described the population growth of rabbits with a sequence discovered by Indian mathematicians that shows up in many situations in nature. He also introduced Arabic numerals to Europe to use instead of Roman numerals.
Fibonacci
200
The song "525,600 minutes" from the musical Rent is an attempt to measure just 1 of what time duration?
1 year
300
Stewart has 2 mice and Jane has 3 koalas, and Ilene has 2 wallabies, and Joseph has 4 snakes and you have 2 fluffy dogs and Clarence has 2 kangaroos and 5 ants live in your yard. What percentage of all these animals are marsupials? [Algebra 1 and Geometry students only]
35%
300
Solve this equation by factoring: x2+4x+6=2
x=-2
300
What polyhedron has 20 triangular faces?
an icosahedron
300
If a woodchuck could chuck 3 cords of wood a year, how much wood could 2 woodchucks chuck in a year and a half if a woodchuck could chuck wood?
9 cords
300
What 2009 song, by Justin Bieber, features math-inspired lyrics such as: "Just a fraction of your love fills the air" and "I don't want to go back to being just half of the equation?"
"Common Denominator"
400
What is 2/5 divided by 3/4?
8/15
400
Factor 2x2-11x-21
(2x+3)(x-7)
400
What is the difference between a dodecagon and a dodecahedron?
A dodecagon is a two-dimensional shape with 12 sides; a dodecahedron is a three-dimensional solid with 12 faces.
400
What do we call the coordinate system that is named after French philosopher and mathematician René Descartes (1596-1650)?
The cartesian coordinate system or cartesian plane
400
According to the Scottish band The Proclaimers, how many miles might you expect a man to walk just to be the man who falls down at your door?
1000 ("I would walk 500 miles and I would walk 500 more just to be the man who'd walk a thousand miles to fall down at your door.")
500
75% of the bats in a certain cave have the white nose syndrome. This cave has 12,000 bats with the syndrome. How many bats are in the cave, in total?
16,000 bats
500
Oh no, you are faced with a quadratic equation that has no integer factorization! State the exact formula you can use to find the solution.
[-b±sqrt(b2-4ac)]/2a
500
Identify the type of shape the presenter will show.
hyperbola
500
If a right triangle has a hypotenuse of 10 and one leg with length 6, what is the length of the other leg?
8
500
If the birds perched on my doorstep, singing sweet songs, the melody pure and true, each laid 2 eggs, and all but one of the eggs successfully hatched, how many birds would I have in total?