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) -459 - -1 -458
2) -0.29 + 4 3.71
3) 5.6 + -67 -61.4
4) -8 - 0.06 -8.06
5) -194 - 249 -443
6) 5 - 3.256 1.744
7) 321 - 87 234
8) 0.18 * -14 -2.52
9) 2 * -8.2 -16.4
10) 0.39 - -95 95.39
11) -0.05 * -0.28 0.014
12) 2 + 0.2 2.2
13) 6397 - -3 6400
14) 68 + -47.23 20.77
15) -0.08 - 5.4 -5.48
16) 0.8 * 0.2 0.16
17) -1.2 - 5.2 -6.4
18) -7 + 6606 6599
19) 3 + 793.9 796.9
20) 41 + 9 50
21) -0.3 + -85.6 -85.9
22) 33 / -0.1 -330
23) -52 + -4 -56
24) 0.48 * 10.5 5.04
25) -48 + 839 791
26) 881 - 38 843
27) 4 * -0.6 -2.4
28) 0.072 / 8 0.009
29) 0.2 + -946.2 -946
30) 654 + -2.8 651.2
31) 337 - 4.3 332.7
32) 5 + 399 404
33) 0.9 + -0.423 0.477
34) -3 - -7 4
35) 2220 / -6 -370
36) -0.9 - 3.09 -3.99
37) -8 + -0.04 -8.04
38) 253 / 5 50.6
39) 1.8 - -3 4.8
40) -7.1 + 10 2.9
41) 5.2 - 0.008 5.192
42) 2 * -0.035 -0.07
43) 0.06 * 9 0.54
44) 24.7 - -736 760.7
45) 0.02 - -75 75.02
46) 77 * 7 539
47) -0.2 + 41.67 41.47
48) 172 * 31 5332
49) -10.5 - -3 -7.5
50) 37 / 4 9.25
51) 5 * 12 60
52) -19 - 90 -109
53) 4 / 0.002 2000
54) 0.03 + -3 -2.97
55) 7655 - 209 7446
56) 273 + 6 279
57) 1.02 * 24 24.48
58) 38 - -0.69 38.69
59) 8.2 + 84 92.2
60) 80 + 9 89
61) 0.809 + 0.028 0.837
62) 0.575 - -8.07 8.645
63) 6 - -358.9 364.9
64) 0.04 + 0.41 0.45
65) -205 - 109 -314
66) 24.5 + 63.2 87.7
67) 5.7 * 0.9 5.13
68) -444 * 1 -444
69) 0.2 - -643 643.2
70) -15 + 268 253
71) 8 - -0.154 8.154
72) 532 / -4 -133
73) 60 * 7 420
74) 0.1 + 25 25.1
75) 273 + 8505 8778
76) 2 + -89 -87
77) 4 * 0.99 3.96
78) -4 * 107 -428
79) 16.94 * 0.2 3.388
80) -48 - -2799 2751


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