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) 6.2 - 0.28 5.92
2) 0.051 - -9.9 9.951
3) 7785 + -4 7781
4) 6 - -3936 3942
5) 31.5 - -485.4 516.9
6) 0.2 - -456 456.2
7) 4 + 473.9 477.9
8) -1.8 / 0.01 -180
9) -4 - 66 -70
10) 906 + 4379 5285
11) -404 + 65 -339
12) 8 - -32 40
13) 0.12 - -5.16 5.28
14) 63 / 7 9
15) -3 - 82 -85
16) 5 - -8.84 13.84
17) 36 + 4285 4321
18) 4 + 1 5
19) 1 * -14 -14
20) 6685 - -131 6816
21) -0.6 - 4.6 -5.2
22) 94 + -6 88
23) -8 + -954 -962
24) 1 * 7 7
25) 83.7 - -690 773.7
26) 8 + 0.31 8.31
27) -9 - 0.64 -9.64
28) 9958 + -5959 3999
29) 44 - 7 37
30) -352 - -927.7 575.7
31) -71.1 / 9 -7.9
32) 953 - 712 241
33) 573 - 224 349
34) 90.7 + -0.04 90.66
35) -27.8 - 48.2 -76
36) 884 / 0.8 1105
37) 3 + 372 375
38) 517 + 3.4 520.4
39) 7 - 699 -692
40) 0.3 - -705 705.3
41) 101 + 907 1008
42) -0.9 * 45 -40.5
43) -6.2 - 5 -11.2
44) 2521 - 43 2478
45) 0.088 * 1 0.088
46) -0.01 + 0.9 0.89
47) -80 - 7 -87
48) 22 - 31 -9
49) -4 + -250 -254
50) 2 - 76 -74
51) 0.02 * -73 -1.46
52) 30 - -831 861
53) 0.03 * 8 0.24
54) 7 - -11.6 18.6
55) 3 / 8 0.375
56) 0.4 - 8.4 -8
57) -4 - -43 39
58) 9345 + -3 9342
59) -3 - -7.2 4.2
60) -0.009 / -0.1 0.09
61) 0.335 - -8.284 8.619
62) 7 * 24 168
63) 802.8 + -57 745.8
64) 652 - 11 641
65) 8439 + -306 8133
66) -6 + 0.05 -5.95
67) 0.6 * -0.1 -0.06
68) 8 - 0.13 7.87
69) 68.5 * 3 205.5
70) -5 + -182 -187
71) 26.23 - 0.2 26.03
72) 35 + 4 39
73) 9 * 96 864
74) -358 + 166 -192
75) -3 / 0.03 -100
76) 0.05 * 3004 150.2
77) 0.009 + -0.659 -0.65
78) 307 - -51 358
79) -3 - 6.6 -9.6
80) 3 - 0.32 2.68


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