Can you name the answer to the following mental math questions?

created by tobley
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  • This game is meant to be answered with NO scratch paper and NO calculator. You are also not able to erase answers or make stray marks (see first comment for more and explanation of ***).
  • Source: Texas Math
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Answer
2010 + 2009 =                                    
2009 × 11 =                                    
9002 - 2010 =
2010 ÷ 25 =(decimal)
3/5 ÷ 8/15 =                                    
4 × (2+2/3) = (mixed number)
16 % =(proper fraction)
3 + (4 × 5 - 6) ÷ 7 =                                    
3/8 =(decimal)
*** 2009 + 2010 + 2910 =(round to nearest hundred)
12^2 =                                    
12^3 =                                    
24 is what % of 60?%
32 × 23 =                         
1 + 3 + 5 + … + 23 =                          
Which is larger, 11/13 or 13/16 ?                    
2010 ÷ 9 has a remainder of
MCDLXIV = (Arabic Number)
1/4 ton is equivalent toounces
*** 235 × 146 =(round to nearest hundred)
.323232… =(proper fraction)
Which of the following is both a happy and a perfect number: 7, 28, or 42?
30603 ÷ 101 =                    
How many positive integral divisors does 64 have?
If f(x) = x^2 - 10x + 25 then f(37) is
If 4x + 3 = 2 then 2x - 2 =
86 base ten is equivalent tobase 5
Answer
The sum of the roots of 2x^2 + 3x = 5 is
The area of a square is 12+1/4 square inches. The perimeter of this square isinches
*** √(488) × 221 =(round to nearest 50)
(15 + 16 × 17) ÷ 7 has a remainder of
The multiplicative inverse of -1.25 is
|-1 -1| + |-2 + 3| - |5 - 8| =
4 × 4! - 12 × 3! =
(2+3/5) × (2+2/5) = (mixed number)
The set {L, U, C, A, S} hasproper subsets
4^2 + 3^3 + 2^4 =
√(243) - √(75) = √(x). Find x.
If set A has 6 elements, set B has 5 elements, and A∩B has 4 elements, then A∪B haselements.
*** 224488 ÷ 111 =(round to nearest five)
If P is 20% of Q and Q is 25% of R, then P is what percent of R?%
113 × 212 =
If x + y = 2 and xy = 2 then x^3 + y^3 =
3/4 - 10/13 =
…, -(1+1/3), -2/3, x, y, … is an arithmetic sequence. Find the value of y.
7/40 = % (decimal)
Find the harmonic mean of 2 and 5.
The least integer x such that 3 - 5x < 2 is
95 degrees F = degrees C
*** 125 × 37.5 ÷ 5/8 =(round to nearest fifty)
The probability of drawing a Queen or King from a standard 52 card deck is
nPr(5,3) + nPr(5,2) =                                    
45 degrees = pi/k radians. Find k.
(2 + 7i) (2 - 7i) = a + bi. Find a + b.
Answer
sin(pi/3) × cos(pi/6) =
The vertex of the parabola y = x^2 - 6x + 3 is (h, k). Find h.
The eleventh term of 6, 11, 16, 21, … is
The largest number of regions created by five intersecting lines is
1 - 4 + 9 - 16 + 25 - 36 + … - 64 =
*** e^e × pi^pi =(round to nearest integer)
44 base 8 × 4 base 8 =base 8
How much time has passed from 3:45 pm to 11:15 pm the same day?hours
The slope of the line containing the points (-1, -2) and (3, 4) is
The simplified coefficient of the xy^2 term in the expansion of (2x + 3y)^3 is
The greatest integer function g(x) = [2x - 3] has a value offor g(pi)
If log_x(8) + log_x(8) = 3 then x =
√(2809) =
(67 base 9 + 84 base 9) ÷ 8 has a remainder of
If A is 125% of B and B is 120% of C then A is% greater than C
*** The area of 20x^2 + 45y^2 = 900 is(round to nearest integer)
The sum of the first 9 terms of the Fibonacci characteristic sequence 1, 4, 5, 9, 14, 23, … is
If f(x) = 3x - 2 then f_inverse(-1) =
If det([[-1,-2],[3,x]]) = 5, then x =
limit of (x^2 - 3x)/(x-3) as x approaches 3 =
The graph of f(x) = 2^(x-2) has a horizontal asymptote at y=
If f(x) = (3x - 1)/(2x + 1) then f ' (1) =
1(1!) + 2(2!) + 3(3!) + 4(4!) =
Integral of x^2 dx from 2 to 3 =
Given 5966 ÷ 38 = 157, Find 5966 ÷ (9+1/2).
*** 3210 miles/hour =feet/second (round to nearest ten)
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Mental Math Quiz

  1. by tobley
  • Created Jul 21, 2010 in Science
  • Game Plays 127

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