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) -9 * 0.69 -6.21
2) -0.022 + 9.185 9.163
3) 1 * 1.55 1.55
4) -3.68 * 75 -276
5) -6 - 47.6 -53.6
6) -61 * -7 427
7) 5.17 + 1 6.17
8) 1 * -0.56 -0.56
9) 860 - 7 853
10) 0.03 / -0.06 -0.5
11) -0.6 + 693 692.4
12) 0.3 - 45.9 -45.6
13) 0.006 * 8 0.048
14) 89 * -0.8 -71.2
15) 0.46 * -45 -20.7
16) 51 - 0.07 50.93
17) -7.79 + 1 -6.79
18) 8 - -0.01 8.01
19) 0.6 + 7.9 8.5
20) 72 * 23 1656
21) -53 * -0.4 21.2
22) -4.6 - -6.818 2.218
23) 3.43 + 5 8.43
24) 21 - 505 -484
25) 4 + 370 374
26) -7480 / -34 220
27) 42 + 33 75
28) -70 - 363 -433
29) -82 - 0.3 -82.3
30) 0.6 - 0.051 0.549
31) -27 - 553 -580
32) 3235 + -48 3187
33) 0.06 + 2.1 2.16
34) 5 - 421 -416
35) 4428 + 95 4523
36) 8807 - 3141 5666
37) 40 * 13 520
38) -2 - 0.3 -2.3
39) 4.202 * 5 21.01
40) 95.56 - 3.03 92.53
41) 8 * 518 4144
42) 5.3 + -73 -67.7
43) -5.3 + 7.6 2.3
44) 7 - 0.03 6.97
45) 8.72 / 0.1 87.2
46) -0.003 + 6.464 6.461
47) 7.4 - 0.009 7.391
48) 0.87 - 0.836 0.034
49) -94 + 5.5 -88.5
50) 2788 + 334 3122
51) 8 - 87.7 -79.7
52) -4.8 + 5 0.2
53) 73 - 6 67
54) -5 - 0.5 -5.5
55) 6 + 865.7 871.7
56) -68 * -54 3672
57) 4 * 0.009 0.036
58) 8839 - -18 8857
59) 6.844 + 0.002 6.846
60) 7 - 1.42 5.58
61) -6.96 + 1.68 -5.28
62) 0.9 * 1 0.9
63) -0.8 * 8 -6.4
64) 501 + -492 9
65) 16 / -2 -8
66) 0.07 - -0.009 0.079
67) 0.04 + 0.03 0.07
68) 75 / 0.024 3125
69) 0.164 * 8 1.312
70) 0.54 * 5 2.7
71) -1.7 + 37 35.3
72) 7 * 88 616
73) 9 - 6.956 2.044
74) 585 - 2 583
75) 2.1 - 69 -66.9
76) 0.9 - 96 -95.1
77) 0.04 / -0.005 -8
78) 2.9 + 1.946 4.846
79) 571 - 45 526
80) -3 + 141 138


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