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) -0.48 / 16 -0.03
2) -35 + -325 -360
3) 3.6 / 4 0.9
4) 0.258 * 2 0.516
5) -0.8 * 0.5 -0.4
6) -24 - 870 -894
7) 0.8 - 0.06 0.74
8) 16 * 0.4 6.4
9) 9 + 77.1 86.1
10) 984 + 4 988
11) 78 + 777.9 855.9
12) 0.2 * 4 0.8
13) 3.8 + 3 6.8
14) 0.009 - -0.01 0.019
15) 1 + -364 -363
16) -19 * -497 9443
17) 6 / -0.05 -120
18) 8005 - -1 8006
19) -0.459 + 8 7.541
20) 0.5 * 9.2 4.6
21) -0.5 - 99 -99.5
22) 671 + -435 236
23) 248 - -6 254
24) -42 + 87.43 45.43
25) 5 + 4.6 9.6
26) -0.29 + -6.5 -6.79
27) 23 + 9544 9567
28) 6017 + 98 6115
29) 0.14 - 0.028 0.112
30) -0.35 * 1 -0.35
31) 0.66 + 0.744 1.404
32) 585 - -61 646
33) 75.2 / 1 75.2
34) 0.518 - -0.48 0.998
35) -71 - -2 -69
36) 6 / 4 1.5
37) 9186 / 3 3062
38) 98.4 + 0.87 99.27
39) -980 - -4 -976
40) -8.4 + 3.1 -5.3
41) 391 + -6 385
42) -8 + -2 -10
43) 386.1 + -773.1 -387
44) 8302 * 0.05 415.1
45) 8.439 - -0.6 9.039
46) 0.93 - 89.43 -88.5
47) 49.08 / 0.8 61.35
48) 63 + 16.8 79.8
49) 4.4 * -0.075 -0.33
50) 9 - -3 12
51) -2 * 33 -66
52) 2 / 5 0.4
53) -92 + 3.8 -88.2
54) -94 - -91 -3
55) 8 * 0.099 0.792
56) -0.84 - -7.7 6.86
57) -2091 + 2801 710
58) 6.6 * 4 26.4
59) -8 + 0.03 -7.97
60) 0.008 * 106 0.848
61) 7778 + -360 7418
62) 4.7 - -3 7.7
63) 7.7 - -927 934.7
64) 1 * -0.9 -0.9
65) 5270 - 5426 -156
66) -0.06 + 0.5 0.44
67) -71 * 3 -213
68) -0.49 + 79 78.51
69) -53.7 - -529 475.3
70) 8795 + 8 8803
71) 4 / 8 0.5
72) 70 + 5.29 75.29
73) 0.3 * -9 -2.7
74) -637 + -202 -839
75) -9.938 / -1 9.938
76) 0.03 - -0.799 0.829
77) 814.6 - 12 802.6
78) 168 + 9 177
79) 4.688 / 0.004 1172
80) 998 + 80 1078


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