Math Test

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.

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.

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.

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

In practice mode the answers are selectable on the same page and no scoring will be done. In test mode you need to click a "Finished" button and your score will be calculated.

Term & answer sizes
(total # of digits, including fraction)
(# of digits after ., if variable is a double)
(total # of digits)
(# of digits after ., if used)

Operations

Variables
(This includes floats)

Operators

Optimizations
Limits complexity in some situations.
Guarantee operator changing & no arbitragable values.


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) 5 - 0.2 4.8
2) 1.27 * 6 7.62
3) -532 - 5 -537
4) 40 + 1388 1428
5) -7 * 44 -308
6) 96 * 48 4608
7) 8.91 + 90.48 99.39
8) 0.007 / 0.008 0.875
9) -3 / 0.008 -375
10) 7 + 4.85 11.85
11) 14 - -4719 4733
12) 3.96 + 66 69.96
13) 8 * 16 128
14) 873 + 279 1152
15) 1.8 - -0.01 1.81
16) 14 * -9 -126
17) 0.4 - -49 49.4
18) -0.004 + 3.27 3.266
19) -0.6 * 4.5 -2.7
20) 0.7 + 2.91 3.61
21) 8 - -1.544 9.544
22) 8.1 + 5 13.1
23) 23 - -8.9 31.9
24) 15 - 5 10
25) 0.3 / 30 0.01
26) -9 * -3.03 27.27
27) 97 + 2.3 99.3
28) 9 - 94.6 -85.6
29) -37 + 5 -32
30) 19 * 11.8 224.2
31) -4 + 98 94
32) 3 - 0.72 2.28
33) -77 + 88.7 11.7
34) 23 / 0.004 5750
35) 0.06 - 1 -0.94
36) 4 + 0.3 4.3
37) -0.012 / -3 0.004
38) 21 / -1 -21
39) 6773 + -3635 3138
40) -27 - 857 -884
41) -8 * 0.5 -4
42) 0.7 + 0.005 0.705
43) 6 * 0.949 5.694
44) 12 / -0.04 -300
45) 604.5 - 0.9 603.6
46) 0.3 + 9.48 9.78
47) 0.6 + 217 217.6
48) -6.4 - -4.47 -1.93
49) 2 + 9 11
50) -5.4 * -0.1 0.54
51) -93 - 75 -168
52) 2163 + 949 3112
53) 6 * -33 -198
54) -0.02 * 111 -2.22
55) 89.8 / -2 -44.9
56) -0.2 * 26 -5.2
57) -12 / 2 -6
58) 0.9 + -3.4 -2.5
59) 8 * 9 72
60) 7 + 26 33
61) 5159 + -27 5132
62) 5 + 0.009 5.009
63) 1.8 + 0.09 1.89
64) -9.5 / 1 -9.5
65) 1 * 5 5
66) 74 + 0.58 74.58
67) 1 * 70 70
68) 0.05 * 721 36.05
69) 1 + 728 729
70) -0.08 + 8.74 8.66
71) 47 + 9 56
72) -6140 * -0.035 214.9
73) 0.21 + 51 51.21
74) 0.09 - 9.9 -9.81
75) 15 + -70.6 -55.6
76) -1 + 25 24
77) 0.363 + 0.53 0.893
78) 8 * 0.01 0.08
79) 0.4 - -3 3.4
80) -644 + 154 -490


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