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) -0.54 + 2 1.46
2) 1777 - -39 1816
3) 0.033 + 1.8 1.833
4) 0.003 - 0.083 -0.08
5) 43 * 0.034 1.462
6) -315 * 3 -945
7) -1 + -6 -7
8) 0.06 * 0.7 0.042
9) -83 * 0.05 -4.15
10) 45 + 16 61
11) 14 + -0.1 13.9
12) 7408 + 9 7417
13) 915 + -0.5 914.5
14) 3 * 9.4 28.2
15) 38 + 501 539
16) -0.015 - -0.21 0.195
17) 1 + 8 9
18) 22.02 / 6 3.67
19) 846 + 263 1109
20) -92 - -99 7
21) 215 * 0.026 5.59
22) -0.62 * 50 -31
23) -26 + 200 174
24) -60 - 99 -159
25) -146 + 1 -145
26) 2 * 2088 4176
27) 85.03 - 66.3 18.73
28) -8.9 * 11 -97.9
29) 0.1 + 84 84.1
30) 0.03 + 69 69.03
31) 102 + 733 835
32) 0.96 - 0.3 0.66
33) 0.08 + 97 97.08
34) 0.003 + 0.002 0.005
35) -0.1 + 8 7.9
36) 0.1 * 1 0.1
37) 0.002 / 0.004 0.5
38) 4 - 77 -73
39) 1821 / 2 910.5
40) 195.8 - -4 199.8
41) 8 * 3 24
42) 0.014 + 0.008 0.022
43) -984 + 8 -976
44) -0.2 / 5 -0.04
45) 6 + -16 -10
46) 32 + 511 543
47) 0.03 - 0.05 -0.02
48) -0.041 + 7.9 7.859
49) 0.08 - 5 -4.92
50) 8 - 9 -1
51) 70.6 + -54 16.6
52) 16.2 - -5 21.2
53) 0.9 * 42.9 38.61
54) 1135 + 8330 9465
55) 0.6 - 0.001 0.599
56) 0.08 * 7 0.56
57) 8 + 9677 9685
58) 0.98 - 3 -2.02
59) -17 + -5.5 -22.5
60) 0.1 - 0.08 0.02
61) 2 + 6 8
62) 0.991 - -0.9 1.891
63) -0.041 - -3.524 3.483
64) 9525 - -35 9560
65) -90 - -31 -59
66) -0.07 + -0.08 -0.15
67) 4 - -3184 3188
68) 28 + 7189 7217
69) 0.37 + -0.028 0.342
70) -0.008 - -0.1 0.092
71) 4.1 * 71 291.1
72) 4.78 + 9.24 14.02
73) 87 + 66 153
74) 93.1 * 7 651.7
75) 7117 + -7370 -253
76) -2 - -71 69
77) 9 + 0.22 9.22
78) 66.81 - 51 15.81
79) 79 - 0.52 78.48
80) -0.6 * -4.1 2.46


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