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) -3.8 - 0.6 -4.4
2) 3 - 1.91 1.09
3) 35.4 + -5.8 29.6
4) 0.7 + 0.009 0.709
5) 6422 - 80 6342
6) 0.41 + -0.086 0.324
7) -17 + 2 -15
8) 92.9 - -0.06 92.96
9) 0.08 + 1 1.08
10) 984 - 155 829
11) 1.8 + 24 25.8
12) -4.7 - 0.97 -5.67
13) 0.8 - -502 502.8
14) 0.34 + 8.853 9.193
15) 8 - -0.003 8.003
16) -2 + 3.2 1.2
17) 4 - 0.056 3.944
18) 0.16 + 7.797 7.957
19) 5.32 - -2.94 8.26
20) 3.4 / 0.008 425
21) 14 * 4 56
22) 1 * 5.24 5.24
23) 8 + 33 41
24) 0.03 - -70 70.03
25) 7 * -0.99 -6.93
26) -92.2 - -7 -85.2
27) 0.023 + 0.08 0.103
28) 0.005 * 77.2 0.386
29) 6 + 445.8 451.8
30) -0.7 - -804 803.3
31) 63 + 2821 2884
32) 2860 + -11 2849
33) 76.1 / 0.5 152.2
34) 315 * -0.3 -94.5
35) 2 + 3.511 5.511
36) -86 - 40 -126
37) 4357 + -4 4353
38) -86 - -85 -1
39) 1 - 609 -608
40) 6.533 - -3 9.533
41) 734 * 0.005 3.67
42) 217 - 225 -8
43) -37.7 - -43 5.3
44) -5.5 - -982 976.5
45) 9 * 3.1 27.9
46) 4 + 48 52
47) -0.9 - -374 373.1
48) -3 + 285 282
49) -0.217 / 0.1 -2.17
50) -4 + 0.04 -3.96
51) 29 - 6 23
52) 6 + 0.078 6.078
53) -65 - -1 -64
54) 5883 + 758 6641
55) 9 - 0.883 8.117
56) 0.087 * 46 4.002
57) -3 + 2 -1
58) 1 + 11 12
59) 2 * 34 68
60) -4 - -325 321
61) 133 * 0.5 66.5
62) 170 / 8 21.25
63) -6 + 9719 9713
64) -5 + 5570 5565
65) 58 + 4.37 62.37
66) 456 / 6 76
67) -6 * 0.005 -0.03
68) -4.53 + 4 -0.53
69) 0.93 + 0.1 1.03
70) 4159 + 5672 9831
71) 0.1 * 6.64 0.664
72) -3.68 + 1 -2.68
73) -4 + 90.01 86.01
74) 326 - -19.2 345.2
75) -4 + 9.1 5.1
76) 9335 * 0.08 746.8
77) -168 + -450 -618
78) -8.1 + -0.09 -8.19
79) 9.1 - 0.302 8.798
80) 92.54 + 5 97.54


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