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) -4 - 0.97 -4.97
2) 40 - 63 -23
3) 1 + 482 483
4) -242 + -7 -249
5) 163 - 6 157
6) -33 + 9394 9361
7) 24.03 * 4 96.12
8) 0.16 / 0.001 160
9) 429 + 7 436
10) 26 + -14 12
11) 101 * 9.1 919.1
12) 9 / 8 1.125
13) 6 / 20 0.3
14) 6.8 - 68 -61.2
15) -3 - 3 -6
16) 8 + 0.1 8.1
17) 0.9 + 7.544 8.444
18) 6 - 267 -261
19) 9192 / 2 4596
20) 46 / 1 46
21) -0.355 + 5.99 5.635
22) 0.05 * -65 -3.25
23) 6147 / 1 6147
24) 4 / -400 -0.01
25) 5 * 0.28 1.4
26) -24 - 79 -103
27) -70.9 + 2.2 -68.7
28) 410 * 0.008 3.28
29) 85.4 + 71 156.4
30) -0.3 * 67 -20.1
31) 6.7 + 744 750.7
32) 5505 / 6 917.5
33) -99 - 113 -212
34) -4 * 9 -36
35) 3 * -64 -192
36) 0.09 + 44 44.09
37) -81 - 155 -236
38) 402 * 4 1608
39) -2.082 + 4.4 2.318
40) 75 + 5699 5774
41) -7 - -83.5 76.5
42) 0.19 * 2 0.38
43) 0.09 - 9 -8.91
44) 3.848 + 3 6.848
45) 2 - 8.4 -6.4
46) 0.559 + 0.1 0.659
47) 0.005 * 70 0.35
48) -0.91 + 0.05 -0.86
49) 4.14 / 1 4.14
50) 4 / 0.04 100
51) 190 * 26 4940
52) -0.04 - -1.8 1.76
53) 1.975 * 72 142.2
54) 0.001 + 4.3 4.301
55) 1 + 9.5 10.5
56) -8.2 / -4 2.05
57) 1 * 4.626 4.626
58) 2543 - 6 2537
59) -44.6 - -970 925.4
60) -0.4 * 80 -32
61) 5 - -1586 1591
62) 66 + -433 -367
63) 62 - 9 53
64) -4 + 7853 7849
65) 1.079 - -7 8.079
66) 7.7 * 11 84.7
67) 747 - 5 742
68) 48 - -0.04 48.04
69) 0.002 + 1 1.002
70) 0.25 - 0.03 0.22
71) -5 + 8943 8938
72) 0.38 - -3.2 3.58
73) 6.8 + 10.9 17.7
74) -0.05 * -510.8 25.54
75) 7.6 + 734 741.6
76) 211 - 7 204
77) 4582 + -44 4538
78) 573 - -4.4 577.4
79) -57 + 5815 5758
80) -95 - -7 -88


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