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) 0.78 - 0.554 0.226
2) 14.6 * 16 233.6
3) 429 - 5.2 423.8
4) -0.01 + -5 -5.01
5) 35.2 / 5 7.04
6) 213 - 12 201
7) 280 + -310 -30
8) 0.09 * 5 0.45
9) 7 * 61 427
10) 1930 + 9 1939
11) 511 - 91 420
12) 1781 + 4088 5869
13) 0.1 - 0.071 0.029
14) 0.887 + 7 7.887
15) -7.6 + 982 974.4
16) 3.6 - -99 102.6
17) 6 - 0.07 5.93
18) -0.33 + 43 42.67
19) 7209 - -765 7974
20) 6 * 5.6 33.6
21) 9.57 + 0.333 9.903
22) -8.6 + 8 -0.6
23) -476 * -0.001 0.476
24) 6.421 - 0.005 6.416
25) 13 * 0.005 0.065
26) -337 + -3 -340
27) 412 + -480.3 -68.3
28) 411 + -5 406
29) 4.17 - 0.004 4.166
30) 0.11 - 5.2 -5.09
31) -726 * -0.3 217.8
32) 2 + 289 291
33) 0.8 - 35 -34.2
34) 0.7 + 2 2.7
35) 1 + -656 -655
36) 2.413 - -0.4 2.813
37) -4.227 + 5.61 1.383
38) 12 + 5361 5373
39) -2.34 / -1 2.34
40) 3695 + 896 4591
41) 6 - 0.73 5.27
42) 53 + 2 55
43) -310 * 0.5 -155
44) 48 + 268 316
45) -58 + 518.5 460.5
46) 4372 - 14 4358
47) 7 - -580.3 587.3
48) -527 * -0.6 316.2
49) 0.65 - -0.09 0.74
50) 0.35 + 0.24 0.59
51) 0.007 + 6 6.007
52) 0.02 + 59 59.02
53) 504 - 376 128
54) -0.006 + 1 0.994
55) 0.08 - -40.2 40.28
56) -1 - -714 713
57) 0.1 - -0.8 0.9
58) 6 * 0.091 0.546
59) 995 + 7 1002
60) 0.6 * 17.5 10.5
61) -306 * -19 5814
62) -0.017 / 0.01 -1.7
63) 2 - 48.5 -46.5
64) -39 + -5 -44
65) 1.7 * 0.5 0.85
66) 88.2 - -0.75 88.95
67) 8.475 * 0.2 1.695
68) -729 * -3 2187
69) -5 + 711 706
70) 982 - -3298 4280
71) 3.05 + 3 6.05
72) 0.1 + 0.76 0.86
73) 6 * 331 1986
74) 165 / 15 11
75) 82.36 - 0.03 82.33
76) 68 - 245 -177
77) -1.1 - -73 71.9
78) -17 + -8 -25
79) 62 - 0.01 61.99
80) 0.02 - 0.017 0.003


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