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) -3 * 0.4 -1.2
2) 672 - 4 668
3) 1 + 6.99 7.99
4) 16 * -6 -96
5) 9629 - 56 9573
6) -524 * 1 -524
7) 8 * -37 -296
8) 9 + -163 -154
9) -311 + 1 -310
10) 32 + -0.04 31.96
11) 6017 + 18 6035
12) 884 * 0.05 44.2
13) 365.7 + -78 287.7
14) -0.2 / -0.008 25
15) 376 + -79 297
16) 0.82 - 0.024 0.796
17) 99 + 8 107
18) 77 + 870 947
19) 6 - 1.35 4.65
20) -89 - 5.8 -94.8
21) 58 - 0.17 57.83
22) 9.776 + 0.01 9.786
23) -0.058 - -6 5.942
24) 0.08 + 1.2 1.28
25) 0.101 + 0.104 0.205
26) 9325 - -59 9384
27) 8829 + 677 9506
28) 0.78 + 6 6.78
29) 9.53 + 4.47 14
30) 7.778 - 4.64 3.138
31) 2 + 158.7 160.7
32) -17.3 - -71 53.7
33) 359 - 8 351
34) 2 + 1 3
35) 7 * 76.6 536.2
36) 4 * -75 -300
37) 38 + 3097 3135
38) 1 * 1.996 1.996
39) 619 + 32.8 651.8
40) 14 - 9 5
41) 0.4 + 0.8 1.2
42) -7 - 12.8 -19.8
43) 972 + 0.5 972.5
44) 16 - -5013 5029
45) 936 + -0.5 935.5
46) 52 - -47 99
47) 203.5 + 401 604.5
48) 215 / 0.215 1000
49) 2 - 0.63 1.37
50) 5.443 - -0.5 5.943
51) 2.6 * 0.7 1.82
52) -6 + 92.91 86.91
53) 14.1 + 1 15.1
54) 3.63 - 6 -2.37
55) 48 + 5931 5979
56) -0.03 - 1 -1.03
57) 63 * 0.004 0.252
58) -0.5 - -24.8 24.3
59) 0.082 + 0.09 0.172
60) -5 * 57 -285
61) 0.09 - 0.073 0.017
62) 8.3 / 1 8.3
63) 0.09 - 7.6 -7.51
64) 34 - 74 -40
65) -46.9 * -3 140.7
66) 61 + -67 -6
67) 3 - 5.5 -2.5
68) 5 / -0.008 -625
69) -0.4 * -8690 3476
70) 0.08 - -8.08 8.16
71) -81 + 6946 6865
72) 2.9 - -61 63.9
73) 35.1 / 5 7.02
74) 0.88 + 4 4.88
75) -0.007 + 6.2 6.193
76) 1.8 + 0.071 1.871
77) 6 - -2.4 8.4
78) 9 + -3 6
79) 4 * 0.2 0.8
80) 793 - 8 785


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