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) 0.8 + 0.2 1
2) 31 + 32.24 63.24
3) 5.6 / 0.005 1120
4) 799 - 68 731
5) 4.6 - 0.46 4.14
6) 1 / -0.02 -50
7) -5.4 / 0.4 -13.5
8) 0.36 - -0.2 0.56
9) 2 * 0.07 0.14
10) 874 - -0.4 874.4
11) 0.5 + 0.06 0.56
12) -6 + 5 -1
13) 0.9 / -0.01 -90
14) 0.6 * -1 -0.6
15) -3.5 + -5 -8.5
16) -259 - 89 -348
17) -0.09 + 1 0.91
18) 0.26 + 3.9 4.16
19) 0.03 - -19 19.03
20) 73.9 - 33 40.9
21) 674 * 0.7 471.8
22) -0.22 - -5 4.78
23) -56 + 43 -13
24) 0.2 * 143.2 28.64
25) -4.95 * 4 -19.8
26) 6 - 4 2
27) 81 + 0.33 81.33
28) 39 / 0.02 1950
29) -2.8 * 4 -11.2
30) 40.6 - 3 37.6
31) 0.4 + 0.002 0.402
32) 6871 + -28 6843
33) 0.69 - -5 5.69
34) 3 - 0.417 2.583
35) 424 - 11 413
36) 5 * 4 20
37) 1 / 0.01 100
38) 11 - 0.06 10.94
39) 0.8 + -0.004 0.796
40) 0.05 + 23.9 23.95
41) 0.4 + -0.01 0.39
42) -0.05 * -0.3 0.015
43) 0.3 + 6 6.3
44) 5 * 87 435
45) -8 + -3 -11
46) 1243 * 0.8 994.4
47) 7 + 52.46 59.46
48) -4 - 62 -66
49) -19 + -4 -23
50) -3 * 70 -210
51) 5.8 + 8.25 14.05
52) 145 + 6494 6639
53) -85 * 7 -595
54) 41 * 2 82
55) 4.6 + -90 -85.4
56) -3 - -0.55 -2.45
57) 66 * -1 -66
58) 6.6 + 997.4 1004
59) 0.29 - -20 20.29
60) 43 / -0.1 -430
61) 8 - -0.05 8.05
62) 0.003 + 0.09 0.093
63) 9 * 0.038 0.342
64) 7.5 + 1 8.5
65) 0.002 + 7.59 7.592
66) 8234 - 6 8228
67) 0.1 - 7.24 -7.14
68) 9 * 7.5 67.5
69) 4455 + -8 4447
70) 69 * -0.13 -8.97
71) 7 + 57 64
72) 59 * 3.8 224.2
73) 119 * -0.3 -35.7
74) 3454 - 931 2523
75) 72.26 + -62 10.26
76) -0.2 - 0.05 -0.25
77) 31 + 9470 9501
78) 85.7 + -0.27 85.43
79) -109.8 * -9 988.2
80) 6.698 - 0.005 6.693


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