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) 0.05 * 6990 349.5
2) 0.23 + -3 -2.77
3) 946 - -893 1839
4) -3.83 - -40 36.17
5) -2 * 86 -172
6) 5261 - -67 5328
7) 2 * -15 -30
8) 8.9 - -326 334.9
9) 7.4 * -0.3 -2.22
10) 0.05 - 9 -8.95
11) 66.5 - -6.5 73
12) -8.9 + 0.03 -8.87
13) 81 * 1 81
14) 67 * 0.8 53.6
15) 924 * 0.02 18.48
16) 4.1 - 73 -68.9
17) 76 / 32 2.375
18) -572 - 55 -627
19) -0.065 / -0.008 8.125
20) 82 + -7 75
21) 0.566 + 3.68 4.246
22) 74 * 3.3 244.2
23) 7690 - 33 7657
24) 1 + 0.16 1.16
25) 9 - -0.078 9.078
26) -5 + 236.4 231.4
27) 751 + 63 814
28) 0.46 * 5.2 2.392
29) 0.84 + 5 5.84
30) 1256 * 1 1256
31) 0.828 + 0.9 1.728
32) 1 * 599 599
33) 0.33 + 8.48 8.81
34) 4 - 530 -526
35) -2 * 57 -114
36) 7 * 9 63
37) 6148 - 862 5286
38) 389 * 0.008 3.112
39) -92.2 + 554 461.8
40) -97 + 613 516
41) 0.025 - -0.044 0.069
42) -0.3 * 5 -1.5
43) -49.2 + 36 -13.2
44) -440 + 8722 8282
45) 0.003 + 0.086 0.089
46) 0.4 - -4 4.4
47) 5 - 37 -32
48) 8 + -49 -41
49) -499 + 6165 5666
50) -8 + 8 0
51) 8.47 + 0.7 9.17
52) 0.1 + 7.53 7.63
53) 191 + 3.6 194.6
54) 9.22 + 0.19 9.41
55) -0.6 - 7 -7.6
56) 51 - -5358 5409
57) 76.5 + 0.03 76.53
58) 450 / 2 225
59) -6 - -957 951
60) 88.42 + 0.03 88.45
61) 451.5 - 45.9 405.6
62) -3 + 68.7 65.7
63) 38 + 3 41
64) -0.04 * 61 -2.44
65) 6 - -1 7
66) -0.3 * 4.9 -1.47
67) -94 * 9 -846
68) 0.09 - 0.04 0.05
69) 309 - -28 337
70) -3 - 884 -887
71) -5 * 2 -10
72) 9 + 7087 7096
73) -3 / 0.03 -100
74) 3 - -5 8
75) -16 - 6 -22
76) -135.1 / -0.5 270.2
77) -0.89 + 75.9 75.01
78) 310 - -7965 8275
79) 7 / 0.02 350
80) 8.436 - 0.313 8.123


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