
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) |
-49 * 8 |
-392 |
| 2) |
38 - -0.6 |
38.6 |
| 3) |
6656 + 204 |
6860 |
| 4) |
7798 - 824 |
6974 |
| 5) |
8 * 0.02 |
0.16 |
| 6) |
87 + -27 |
60 |
| 7) |
5 - 1 |
4 |
| 8) |
6 * 852 |
5112 |
| 9) |
2 + 4 |
6 |
| 10) |
-760 * -7 |
5320 |
| 11) |
-2 - -124 |
122 |
| 12) |
18.5 * 3 |
55.5 |
| 13) |
-8.25 + 1 |
-7.25 |
| 14) |
84 - 1.9 |
82.1 |
| 15) |
0.2 + -0.032 |
0.168 |
| 16) |
0.049 - -6 |
6.049 |
| 17) |
3066 * 2 |
6132 |
| 18) |
0.02 + 1.22 |
1.24 |
| 19) |
3.74 / 0.001 |
3740 |
| 20) |
558 + 816 |
1374 |
| 21) |
6471 - -301 |
6772 |
| 22) |
415.9 - 20.4 |
395.5 |
| 23) |
0.02 * 3 |
0.06 |
| 24) |
2 * -54 |
-108 |
| 25) |
-91 + 5306 |
5215 |
| 26) |
5.1 + 7 |
12.1 |
| 27) |
-6 - -53.4 |
47.4 |
| 28) |
2.619 - 0.808 |
1.811 |
| 29) |
8 / 0.1 |
80 |
| 30) |
-677 - 93 |
-770 |
| 31) |
-92 + 5133 |
5041 |
| 32) |
3 - 40 |
-37 |
| 33) |
241 * 6 |
1446 |
| 34) |
813 + 59 |
872 |
| 35) |
92 - 370 |
-278 |
| 36) |
964 + 41 |
1005 |
| 37) |
-4 * -4.32 |
17.28 |
| 38) |
11 + 692 |
703 |
| 39) |
684 - -4 |
688 |
| 40) |
974.3 - 45 |
929.3 |
| 41) |
750 + -64.5 |
685.5 |
| 42) |
0.09 - 1.24 |
-1.15 |
| 43) |
-64.3 + 79 |
14.7 |
| 44) |
67 - 4 |
63 |
| 45) |
-6.95 * -46 |
319.7 |
| 46) |
0.001 / 0.05 |
0.02 |
| 47) |
3.6 + 3.79 |
7.39 |
| 48) |
218 + 42 |
260 |
| 49) |
-0.08 / 0.4 |
-0.2 |
| 50) |
68 + -6 |
62 |
| 51) |
4.5 * 0.2 |
0.9 |
| 52) |
2 + 51.3 |
53.3 |
| 53) |
1 - -5595 |
5596 |
| 54) |
-0.08 + 0.534 |
0.454 |
| 55) |
4 * 0.07 |
0.28 |
| 56) |
6.6 + 274 |
280.6 |
| 57) |
1 / -0.2 |
-5 |
| 58) |
7 + -494 |
-487 |
| 59) |
8251 - 4361 |
3890 |
| 60) |
181.9 + 817 |
998.9 |
| 61) |
0.05 - 0.08 |
-0.03 |
| 62) |
6 * 2 |
12 |
| 63) |
4.04 + 0.48 |
4.52 |
| 64) |
0.25 * 76 |
19 |
| 65) |
89 - 31.1 |
57.9 |
| 66) |
-18 - -788.7 |
770.7 |
| 67) |
-6 / -4 |
1.5 |
| 68) |
4 + 62.79 |
66.79 |
| 69) |
-7 - -1 |
-6 |
| 70) |
34.2 + 445 |
479.2 |
| 71) |
150 - 158.8 |
-8.8 |
| 72) |
5.19 + 82.51 |
87.7 |
| 73) |
-7.92 * -6 |
47.52 |
| 74) |
23 - 9.4 |
13.6 |
| 75) |
-57.2 + 32 |
-25.2 |
| 76) |
22 + -36 |
-14 |
| 77) |
-0.09 - 3 |
-3.09 |
| 78) |
0.06 * -39 |
-2.34 |
| 79) |
-412 - -9084 |
8672 |
| 80) |
94 - -69 |
163 |
|
|
Quick links:
Practice:
Easy |
Medium |
Hard
Test:
Easy |
Medium |
Hard
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