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) 42.66 / 0.01 4266
2) 1 - 0.005 0.995
3) -7940 * -0.007 55.58
4) 0.88 - 9 -8.12
5) 0.559 + 0.06 0.619
6) 23 - 0.56 22.44
7) 638 / -2 -319
8) -2 + 82 80
9) 0.79 + 0.003 0.793
10) -7 - 0.75 -7.75
11) -931 + 650 -281
12) 0.002 - -7 7.002
13) 2 + 0.03 2.03
14) 1 + 0.009 1.009
15) 5 - -953.7 958.7
16) 0.5 * -7 -3.5
17) -65 + 107 42
18) 320 - 265 55
19) 0.505 + 0.8 1.305
20) 3 - 0.04 2.96
21) -6.25 + 77 70.75
22) 0.008 * 5 0.04
23) -0.08 - 8.4 -8.48
24) 229 - 8 221
25) -2474 / -25 98.96
26) 5.1 * 4.2 21.42
27) 56.9 + 5.64 62.54
28) -5.4 + 73 67.6
29) 7 * 83 581
30) 15 * 5 75
31) 8 + 8.7 16.7
32) -1 + 7 6
33) 7542 + 8 7550
34) -81 - 96 -177
35) 0.6 + 21.89 22.49
36) 65 * 0.01 0.65
37) -3 - -205.7 202.7
38) 34.2 - -0.04 34.24
39) 8 * 1.11 8.88
40) -568 + 7780 7212
41) 8 - 0.832 7.168
42) 9 + 5 14
43) -2.3 / -0.5 4.6
44) 0.7 * 31 21.7
45) 2.7 * 10.1 27.27
46) 3.8 - 0.3 3.5
47) 92.53 - 6 86.53
48) -22.5 + 50 27.5
49) 7643 - -5 7648
50) 47 + 17 64
51) 0.052 + 5 5.052
52) 0.062 - 0.05 0.012
53) 0.009 + 4.94 4.949
54) 415 + -57 358
55) 1 * 0.97 0.97
56) 52 + 506 558
57) 4984 - 66 4918
58) 4 + 0.6 4.6
59) 9 * 298 2682
60) 0.005 * 4 0.02
61) 76.5 + 3 79.5
62) -0.06 + 13 12.94
63) 2 - -0.047 2.047
64) -20.9 - 11 -31.9
65) -9 + 59 50
66) 1 - 278 -277
67) 0.7 - -7 7.7
68) 99 - 6.6 92.4
69) 9.35 * 9 84.15
70) 4 + 2 6
71) 238 - 96 142
72) -0.139 + 8.45 8.311
73) -5.6 * -0.99 5.544
74) 7 - 2.9 4.1
75) -66 / 1 -66
76) 57 + 311.2 368.2
77) 0.96 - -0.95 1.91
78) -5 * 37 -185
79) 64.05 / 0.01 6405
80) 869.4 / 14 62.1


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