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) 52.2 - 7.63 44.57
2) 0.6 - -0.64 1.24
3) -86 - 41 -127
4) 18.1 * 40 724
5) 10 - 0.759 9.241
6) -21 - 6 -27
7) -90 - -2 -88
8) -6 * -733 4398
9) 10 / -1.6 -6.25
10) 0.017 + 7.985 8.002
11) 58 - 6 52
12) 7 - -7833 7840
13) 0.19 + 0.94 1.13
14) 0.4 * 3400 1360
15) 8 * -0.645 -5.16
16) 9.34 - -0.537 9.877
17) 2 + 261 263
18) -8 * -1 8
19) 0.08 / -0.8 -0.1
20) -0.01 + 16 15.99
21) 9 - 0.9 8.1
22) -1098 * -0.08 87.84
23) 1 + 0.6 1.6
24) -0.046 + 4.45 4.404
25) 8 * -70 -560
26) 0.6 - -983.7 984.3
27) 0.05 + 3.9 3.95
28) 2.5 - -1.9 4.4
29) -46 * 7 -322
30) -0.34 - 0.7 -1.04
31) 4.6 - -59 63.6
32) 0.98 * 0.1 0.098
33) 2.58 - 0.8 1.78
34) 32 - 56.2 -24.2
35) -0.7 * 9 -6.3
36) 9 + 0.6 9.6
37) 91 / 5 18.2
38) 5757 - -36 5793
39) 5 * -7 -35
40) -8 + -6 -14
41) 752 - 57 695
42) 3 * 83 249
43) 9 - -0.009 9.009
44) -637 + 22 -615
45) 14.3 - 4.3 10
46) 0.55 * -3 -1.65
47) 0.06 + 0.018 0.078
48) -29 - 608 -637
49) 0.09 - -0.005 0.095
50) -1 + 2711 2710
51) 36 - 6 30
52) 9 - -0.055 9.055
53) 341 - -8 349
54) 8 + 2124 2132
55) 0.003 * 18 0.054
56) 438.7 - -7 445.7
57) 1.2 - 3.77 -2.57
58) 0.36 * 17 6.12
59) 0.006 * 5 0.03
60) 94 * 0.01 0.94
61) 65 - -348 413
62) 7589 + 64 7653
63) 70 + -2 68
64) 77 * 9 693
65) 3 + 677 680
66) 86.15 + 8 94.15
67) 0.06 - 0.3 -0.24
68) 0.08 - -1 1.08
69) 7 + 1.659 8.659
70) -4 - -493 489
71) 942 + 11 953
72) -590 - -2905 2315
73) 5.593 + 0.11 5.703
74) 7322 + 3 7325
75) 467 / 2 233.5
76) 5.43 - -2.969 8.399
77) -74.4 + 1 -73.4
78) 0.1 / 0.08 1.25
79) 32 / 0.02 1600
80) 92.6 - -14 106.6


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