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) 418 - 678 -260
2) 108 - -6104 6212
3) 8263 - 41 8222
4) 123 - 49.22 73.78
5) -1.8 + 78.4 76.6
6) -23 * 2 -46
7) -88 + 97 9
8) 5 + 2 7
9) 0.19 + 6 6.19
10) 44 / 5 8.8
11) 0.07 / -7 -0.01
12) -42 - -857 815
13) 6 - 6.5 -0.5
14) 5 + -921 -916
15) 0.032 * 5 0.16
16) 651 * 3 1953
17) 0.036 + 2.99 3.026
18) -1 * -0.021 0.021
19) 10 * -86 -860
20) 0.007 + 0.08 0.087
21) -1.78 - -4 2.22
22) 835 + -4 831
23) 71 - 0.2 70.8
24) 0.09 + 0.105 0.195
25) 0.8 + 56 56.8
26) 4 - 0.024 3.976
27) 39 * 9 351
28) -7 - -764 757
29) 0.66 + -0.87 -0.21
30) 7 / 2 3.5
31) 3 + 0.056 3.056
32) 6 - 258 -252
33) 6 * 21 126
34) 4282 + 2098 6380
35) 484 + 48 532
36) 9.1 + 45.1 54.2
37) 37.4 - 2 35.4
38) 0.694 + -0.003 0.691
39) -92 * 0.02 -1.84
40) -0.7 - 0.9 -1.6
41) 76 + -8.7 67.3
42) -2 - 3.1 -5.1
43) 46 * 7 322
44) -5 + 1 -4
45) -50 * 0.31 -15.5
46) -84 * 0.06 -5.04
47) 31 + 459.9 490.9
48) 96 / 6 16
49) 54 + 5.01 59.01
50) 5.5 - -0.488 5.988
51) 0.005 * 71 0.355
52) -717 + 5086 4369
53) 576.6 * 5 2883
54) -9 + 0.64 -8.36
55) -10 * 0.04 -0.4
56) -84 + 2 -82
57) 0.33 - 0.155 0.175
58) 9.7 - 3 6.7
59) 718 - 200 518
60) 0.4 * -47 -18.8
61) -4 * -184 736
62) 7 / -0.08 -87.5
63) 49 + 0.06 49.06
64) 0.8 - 0.9 -0.1
65) -158 / 2 -79
66) 7518 / 1 7518
67) 0.44 / 0.005 88
68) 38 * -6 -228
69) 6 / -2.4 -2.5
70) 394 - -2851 3245
71) 3 + -460 -457
72) 37.4 * 1.8 67.32
73) 19.4 + 7 26.4
74) 5710 * 0.05 285.5
75) 0.415 - 0.002 0.413
76) 8.684 - -1 9.684
77) -0.086 + 0.9 0.814
78) 0.274 - -6 6.274
79) 642 / -2 -321
80) 9831 + -635 9196


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