Mental Math
Math 6
Pre-algebra
Algebra
Logic
100
672
What is 4489?
100
Add 
, 
, 
, 
, and 
.
What is 2000?
100
Solve for x in decimal form
11x=135
What is 12.2727272727272727272727272727...?
100
Express the value of the following expression as a fraction.
What is 29/19?
100
If
7=70
6=54
5=40
4=28
then 2=x.
What is x?
What is 10?
200
99+727-1897+672
What is 3418?
200
Calculate 
.
What is 81?
200
The table shows some of the results of a survey by radio station KAMC. What percentage of the males surveyed listen to the station?
What is 75%?
200
A point 
is randomly picked from inside the rectangle with vertices 
, 
, 
, and 
. What is the probability that 
?
What is 1/3?
200
if
34+5=36
56+2=39
27+6=45
47+5=48
28+1=33
then 41+5 = x
What is x?
What is 30?
300
500x2 when x=6.5
What is 21125?
300
Assuming 
and 
what is the value of 
What is 37300?
300
Find 
in the triangle below.
What is 12?
300
Point 
is selected at random from the interior of the pentagon with vertices 
, 
, 
, 
, and 
. What is the probability that 
is obtuse? Express your answer as a common fraction.
What is 5/16?
300
1=x
748392.482949184=y
whats xy?
A)743892.482949184
B)748392.482949184
C)748362.482646184
What is B?
400
6796-5372+(179x19)
What is 4825?
400
Order the following numbers from least to greatest:
(A) -6
(B) -6.06
(C) -6.9
(D) -6.66
(E) -6.6
When writing your answer, change your list of numbers into a list of the corresponding letters.
What is C, D, E, B, A?
400
Suppose we flip four coins simultaneously: a penny, a nickel, a dime, and a quarter. What is the probability that the penny and dime both come up the same?
What is 1/2?
400
We have the line, 10y=7x-2. Add the x and y-intercepts together to get the number z. Solve this equation with z for a;
a= z2(7z+23)3
Round to the nearest whole number.
What is 97.239135127566368?
When we graph this equation and add the intercepts, z=0.086
After this, we solve the equation getting 97.239135127566368
400
What number do you get when you multiply all of the numbers on the telephone?
What is 0?
500
1973x67
What is 132191?
500
Simplify 
.
What is 27?
500
What is the perimeter, in units, of a rhombus if its area is 120 square units and one diagonal is 10 units?
What is 52?
500
The graph of the parabola x=y2 +y-6 has an x-intercept (a,0) and two y-intercepts (0,b) and (0,c). find a+b+c.
What is -7?
500
John claims to be human. Jeff also claims to be human. John likes pizza with garlic, tomatoes, cheese, and olives. Jeff likes his pizza with cheese, tomatoes, olives, and raw meat. When John orders he says, "Extra cheese please!" When Jeff orders he says, "I'm allergic to garlic and cooked meat." Who isn't human?
Who is Jeff the vampire?