
Easy level
This level has a single operation per question and the terms are at most 4 digits (including decimals).
All answers have 4 digits or less. This is (much) simpler than a real trading test. If you want you can
also try this level as a test (posts to
!) or set up a
custom exercise.
}
elseif( $_GET['quickselect'] == 'math_medium' )
{
$level = "Medium";
$_GET['maxTermLength'] = 5;
$_GET['maxTermDecimalLength'] = 4;
$_GET['maxAnswerLength'] = 5;
$_GET['maxAnswerDecimalLength'] = 4;
$_GET['minOperations'] = 1;
$_GET['maxOperations'] = 4;
?>
Medium level
This level has a maximum of 4 operations per question and all terms are at most 5 digits including the decimal part.
All answers have 5 digits or less. This is about the level of some trading tests. If you want you can also try this
level as a test (posts to
!) or set up a
custom exercise.
}
elseif( $_GET['quickselect'] == 'math_hard' )
{
$level = "Hard";
$_GET['maxTermLength'] = 6;
$_GET['maxTermDecimalLength'] = 5;
$_GET['maxAnswerLength'] = 6;
$_GET['maxAnswerDecimalLength'] = 5;
$_GET['minOperations'] = 3;
$_GET['maxOperations'] = 4;
?>
Hard level
This level has a maximum of 6 operations per question and all terms are at most 6 digits including the decimal part.
All answers have 5 digits or less. This is beyond the level of most trading tests. If you want you can also try this
level as a test (posts to
!) or set up a
custom exercise.
}
else
{
$generateTest = false;
echo 'Invalid quick select: ' . $_GET['quickselect'];
}
}
// Clean start default variables
if( ! isset( $_GET['posted'] ) )
{
$_GET['useNegativeVariables'] = 'on';
$_GET['optimizeSolvability'] = 'on';
$_GET['preventTooSimple'] = 'on';
$_GET['showSetup'] = 'on';
}
// Generate test?
if( $generateTest )
{
// Normalize values
if( ! isset( $_GET['questionCount'] ) ||
! is_numeric( $_GET['questionCount'] ) ||
$_GET['questionCount'] <= 0 ||
$_GET['questionCount'] > 250 )
{
$_GET['questionCount'] = 80;
}
if( ! isset( $_GET['maxTermLength'] ) ||
! is_numeric( $_GET['maxTermLength'] ) ||
$_GET['maxTermLength'] <= 0 ||
$_GET['maxTermLength'] > 20 )
{
$_GET['maxTermLength'] = 6;
}
if( ! isset( $_GET['maxTermDecimalLength'] ) ||
! is_numeric( $_GET['maxTermDecimalLength'] ) ||
$_GET['maxTermDecimalLength'] <= 0 ||
$_GET['maxTermDecimalLength'] > 20 )
{
$_GET['maxTermDecimalLength'] = 3;
}
if( ! isset( $_GET['maxAnswerLength'] ) ||
! is_numeric( $_GET['maxAnswerLength'] ) ||
$_GET['maxAnswerLength'] <= 0 ||
$_GET['maxAnswerLength'] > 20 )
{
$_GET['maxAnswerLength'] = 4;
}
if( ! isset( $_GET['maxAnswerDecimalLength'] ) ||
! is_numeric( $_GET['maxAnswerDecimalLength'] ) ||
$_GET['maxAnswerDecimalLength'] < 0 ||
$_GET['maxAnswerDecimalLength'] > 20 )
{
$_GET['maxAnswerDecimalLength'] = 3;
}
if( ! isset( $_GET['minOperations'] ) ||
! is_numeric( $_GET['minOperations'] ) ||
$_GET['minOperations'] <= 0 ||
$_GET['minOperations'] > 9 )
{
$_GET['minOperations'] = 1;
}
if( ! isset( $_GET['maxOperations'] ) ||
! is_numeric( $_GET['maxOperations'] ) ||
$_GET['maxOperations'] <= 0 ||
$_GET['maxOperations'] > 9 )
{
$_GET['maxOperations'] = 4;
}
if( $_GET['minOperations'] > $_GET['maxOperations'] )
{
$_GET['minOperations'] = 1;
$_GET['maxOperations'] = 4;
}
if( ! isset( $_GET['mode'] ) ||
( //$_GET['mode'] != 'exam' &&
$_GET['mode'] != 'test' &&
$_GET['mode'] != 'practice' ) )
{
$_GET['mode'] = 'practice';
}
if( ! isset( $_GET['useVariableInteger'] ) &&
! isset( $_GET['useVariableDouble'] ) )
{
$_GET['useVariableInteger'] = 'on';
$_GET['useVariableDouble'] = 'on';
}
if( ! isset( $_GET['useOperatorAdd'] ) &&
! isset( $_GET['useOperatorSubtract'] ) &&
! isset( $_GET['useOperatorMultiply'] ) &&
! isset( $_GET['useOperatorDivide'] ) )
{
$_GET['useOperatorAdd'] = 'on';
$_GET['useOperatorSubtract'] = 'on';
$_GET['useOperatorMultiply'] = 'on';
$_GET['useOperatorDivide'] = 'on';
}
// FIXME this prevent do..while deadlocks below but it's not nice
if( ! isset( $_GET['useVariableInteger'] ) &&
isset( $_GET['useVariableDouble'] ) &&
! isset( $_GET['useVariableFactor'] ) &&
! isset( $_GET['useOperatorAdd'] ) &&
! isset( $_GET['useOperatorSubtract'] ) &&
isset( $_GET['useOperatorMultiply'] ) &&
! isset( $_GET['useOperatorDivide'] ) &&
! isset( $_GET['optimizeSolvability'] ) )
{
die( 'Impossible combination to guarantee easy exercises, disable optimizeSolvability if you really want this.' );
}
// Show setup?
if( isset( $_GET['showSetup'] ) )
{
?>
Set up exercise
Scoring
You get one point for every correct answer. Deduct one point for each error. If you skip a question or run out of time in a timed test, all following questions are not used in your score. Time yourself to 6 seconds per question. Generally you need to pass 55 out of 80 questions or ~70% of the maximum score, but higher is always better.
Manual
The answer to the test will be printed right next to it in the site's background color. You can use CTRL+A, Command+A or use
the mouse to select all text on this page.
Questions
| 1) |
861 + 418 |
1279 |
| 2) |
8 - -16 |
24 |
| 3) |
1 + 59 |
60 |
| 4) |
9.84 - 5 |
4.84 |
| 5) |
0.8 - -29 |
29.8 |
| 6) |
43.4 * 6 |
260.4 |
| 7) |
-3 - 3.9 |
-6.9 |
| 8) |
2 * 19 |
38 |
| 9) |
6 + 3306 |
3312 |
| 10) |
4.3 / 0.005 |
860 |
| 11) |
8 - 6 |
2 |
| 12) |
78 - 371 |
-293 |
| 13) |
-25.3 / -5 |
5.06 |
| 14) |
2 + -43 |
-41 |
| 15) |
-1 - 81 |
-82 |
| 16) |
0.8 + 2.43 |
3.23 |
| 17) |
81 + -9 |
72 |
| 18) |
0.004 * 4 |
0.016 |
| 19) |
-0.08 * 1 |
-0.08 |
| 20) |
4 - -0.75 |
4.75 |
| 21) |
0.09 / 0.02 |
4.5 |
| 22) |
0.1 + 7.4 |
7.5 |
| 23) |
83.77 + -6 |
77.77 |
| 24) |
5 - 11 |
-6 |
| 25) |
0.008 + 0.002 |
0.01 |
| 26) |
-0.07 - -4 |
3.93 |
| 27) |
-88 * -47 |
4136 |
| 28) |
606 + -48 |
558 |
| 29) |
61.5 - -6 |
67.5 |
| 30) |
-1 - 1 |
-2 |
| 31) |
26 * 0.256 |
6.656 |
| 32) |
913 + 344 |
1257 |
| 33) |
186.2 - 36 |
150.2 |
| 34) |
2 - 257 |
-255 |
| 35) |
-7.5 / -0.24 |
31.25 |
| 36) |
5 * 2 |
10 |
| 37) |
0.02 * 1 |
0.02 |
| 38) |
59 - 2.73 |
56.27 |
| 39) |
202 - 0.5 |
201.5 |
| 40) |
0.066 * 2 |
0.132 |
| 41) |
85 - -0.3 |
85.3 |
| 42) |
0.9 + 457 |
457.9 |
| 43) |
2 * 0.1 |
0.2 |
| 44) |
0.02 * 70 |
1.4 |
| 45) |
-490 + -9 |
-499 |
| 46) |
480 - -67 |
547 |
| 47) |
-95 * 0.9 |
-85.5 |
| 48) |
0.7 - -9.8 |
10.5 |
| 49) |
417.9 + 1 |
418.9 |
| 50) |
42 + 26.49 |
68.49 |
| 51) |
-4 + -153 |
-157 |
| 52) |
0.226 - 0.09 |
0.136 |
| 53) |
-7.6 - -73 |
65.4 |
| 54) |
-0.003 + 4 |
3.997 |
| 55) |
2 * 0.454 |
0.908 |
| 56) |
-45.4 / -0.005 |
9080 |
| 57) |
-70.6 - -8 |
-62.6 |
| 58) |
-0.003 / -0.005 |
0.6 |
| 59) |
682 * 7 |
4774 |
| 60) |
-2 / 10 |
-0.2 |
| 61) |
456.9 - -2 |
458.9 |
| 62) |
1.6 + 36.2 |
37.8 |
| 63) |
323 * 2 |
646 |
| 64) |
-0.1 - 7 |
-7.1 |
| 65) |
54.22 - 8 |
46.22 |
| 66) |
84 + -11.96 |
72.04 |
| 67) |
63 + 0.8 |
63.8 |
| 68) |
4 - -98 |
102 |
| 69) |
1 / 2 |
0.5 |
| 70) |
5 * -5 |
-25 |
| 71) |
43 * 0.6 |
25.8 |
| 72) |
1 - -65 |
66 |
| 73) |
69 - -459 |
528 |
| 74) |
282 + 668 |
950 |
| 75) |
6 + 4 |
10 |
| 76) |
0.025 / 0.002 |
12.5 |
| 77) |
1 * 3.379 |
3.379 |
| 78) |
-7 - -5 |
-2 |
| 79) |
7 - 91.8 |
-84.8 |
| 80) |
8 - 623 |
-615 |
|
|
Quick links:
Practice:
Easy |
Medium |
Hard
Test:
Easy |
Medium |
Hard
Customized