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 How good are you at math?
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How good are you at math?
Do you think you know maths? Try to answer a few simple math questions and you can quickly see how good you really are.
Author:
podtalje
 1st November 2013 
Comment (
1
)
John thinks of a number, adds 5, and then multiplies the result by 7.
If the number John thinks of is represented by x, how can this be written using algebra?
5(x + 7)
7x + 5
5*7 + x
7(x + 5)
(2x² + 5x)  (4x² + 12x)
2x²  7x
6x² + 17x
6x² + 7x
2x²  17x
The formula for the surface area of a cube of lengths x is:
A = 6x²
What is the value of A when x = 5?
25
30²
125
150
2(3y + 4) − 3(2y + 3)
1
1
7
12y − 1
24x² − 16x
8x(3x − 2)
8x(4x+3)
x(24 − 16x)
8x
Which of the following four numbers written in Scientific Notation is the least?
8.12 × 103
2.18 × 103
2.81 × 103
1.82 × 103
Which of the fractions below is the greatest?
7/8
66/77
555/666
4444/5555
Subtract 110.01 from 1001.1001
891.091
891.9099
891.0901
891.1009
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