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) -0.001 + 2.5 2.499
2) -6 - 2 -8
3) 56 * 8 448
4) -4 * -7 28
5) 113 * 63 7119
6) 5995 - 6 5989
7) 75 + 9 84
8) 227 * 0.015 3.405
9) 7074 + 16 7090
10) 45.1 - -61 106.1
11) 2.56 - 8.1 -5.54
12) 3 + 1.01 4.01
13) 9 - -4264 4273
14) 3 + 82 85
15) -0.098 * -88 8.624
16) 3 + 12 15
17) 657 + -3.2 653.8
18) 83 * 5 415
19) 0.1 - -409 409.1
20) 0.2 * 33.9 6.78
21) 5.1 / -2 -2.55
22) -51 + 9774 9723
23) 7 + 279 286
24) 42 + -97 -55
25) 0.085 - -6.053 6.138
26) 9.38 - -2 11.38
27) 7 + 95.6 102.6
28) 3 * -8 -24
29) -38 - 561 -599
30) 0.02 + -8 -7.98
31) -6 - 29 -35
32) 34 - 6.17 27.83
33) 0.3 + -62.4 -62.1
34) 36 + 6 42
35) 5 - 4 1
36) 0.18 + 0.016 0.196
37) 7 + -64 -57
38) 1.9 + 0.3 2.2
39) -63.5 - -1 -62.5
40) 5877 + 4 5881
41) 18 * 0.65 11.7
42) 357.6 + 240 597.6
43) 6 * -0.84 -5.04
44) -0.775 - -8 7.225
45) 22 - 0.6 21.4
46) 4 * 69 276
47) -8 - 0.62 -8.62
48) 3 + 0.2 3.2
49) -0.1 - 0.6 -0.7
50) 6 - 0.808 5.192
51) 25 + -7 18
52) 0.055 * -86 -4.73
53) 98 * 6.2 607.6
54) 0.9 - 51.8 -50.9
55) 0.15 + 99 99.15
56) 600.8 - -137 737.8
57) 1 * 0.6 0.6
58) -5.2 * 3 -15.6
59) -585.8 + 590 4.2
60) 0.61 / 0.04 15.25
61) 9524 - 3 9521
62) 9541 + -7385 2156
63) -0.004 + 0.04 0.036
64) 2.4 + 0.025 2.425
65) 0.535 - 0.01 0.525
66) 999 + -6.1 992.9
67) 7 * 1.6 11.2
68) 3.626 + -2.1 1.526
69) 0.09 - 0.29 -0.2
70) 15.06 - 0.6 14.46
71) 770 + 0.9 770.9
72) 0.7 - -97 97.7
73) 3 + 858 861
74) 26 * -0.6 -15.6
75) -990 - -651 -339
76) 5 + 0.066 5.066
77) -1 * -5.7 5.7
78) 52.39 + -3 49.39
79) 3576 / -6 -596
80) 22 * 0.74 16.28


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