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) -526 + 1248 722
2) 0.3 / -0.005 -60
3) -8 - -876 868
4) 36 + -5.41 30.59
5) 5 + 950 955
6) 0.5 - 21.4 -20.9
7) 97 / 5 19.4
8) -0.4 * -9.12 3.648
9) 9.99 - 1.26 8.73
10) 0.02 + 0.007 0.027
11) 5 - 0.007 4.993
12) 9579 / 1 9579
13) -61 - 91 -152
14) -6 - 0.98 -6.98
15) -765 - 7 -772
16) 0.14 / 0.05 2.8
17) 0.333 + 8.1 8.433
18) -796 + -57 -853
19) 7 - -0.4 7.4
20) 800 / 1 800
21) -568 - -2821 2253
22) -638 + -1 -639
23) -6 - 63 -69
24) 80 + 7812 7892
25) -37 + 75 38
26) 0.5 * 0.7 0.35
27) 5 + 97 102
28) -1 / -2 0.5
29) 1 - 773 -772
30) 7593 + 9 7602
31) 0.1 - 0.003 0.097
32) 7 - -49 56
33) 4.29 + -9 -4.71
34) 20 * 0.007 0.14
35) 0.04 - -0.036 0.076
36) -35.6 - -87 51.4
37) 0.017 - 0.008 0.009
38) 1 - 120 -119
39) 0.14 + -0.005 0.135
40) -63 + 4091 4028
41) 6 / 0.003 2000
42) 367 * 0.002 0.734
43) -5 + 2505 2500
44) 896 + 5 901
45) -50 + 628 578
46) -224 - 4 -228
47) 3.4 - 81.6 -78.2
48) 2 - 86 -84
49) -6 / -0.48 12.5
50) 56.4 - -171 227.4
51) 0.08 + -9 -8.92
52) 1.28 + -0.025 1.255
53) 0.222 - 0.005 0.217
54) 230 + 966 1196
55) 92 + 5025 5117
56) 3824 / 8 478
57) 58 + 0.07 58.07
58) 6 * 84 504
59) -0.03 + 0.07 0.04
60) -5.3 - 0.9 -6.2
61) 441 + -0.7 440.3
62) 8.98 - 10 -1.02
63) 677 + 4 681
64) 0.96 - 5.09 -4.13
65) -0.2 - -38 37.8
66) 64 + -2 62
67) -2 - 5 -7
68) 68 * 9 612
69) 7 + 36 43
70) 58.9 * 15 883.5
71) -77 / 77 -1
72) 648 + 3481 4129
73) 606.1 - 0.1 606
74) -0.99 + 48 47.01
75) 3 * 85.8 257.4
76) 12 + -0.7 11.3
77) 5 - -1418 1423
78) -0.16 / -1 0.16
79) 256 + 30 286
80) 0.1 - 73 -72.9


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