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) 8 * 0.64 5.12
2) -80 + 881 801
3) 8.83 + 5.61 14.44
4) 270 - 778 -508
5) 7.047 + 0.065 7.112
6) 317 * 7 2219
7) 7 + 2 9
8) 9.72 - 0.03 9.69
9) -204.3 / -6.81 30
10) 14 - 5.02 8.98
11) 5.6 + 5 10.6
12) 0.01 - 9 -8.99
13) 54 + -7.6 46.4
14) 6 * 95 570
15) 35 + 7 42
16) 6 * 1.117 6.702
17) -3 - 606 -609
18) 58 * -0.35 -20.3
19) 18.1 - -981 999.1
20) 2449 - 49 2400
21) 75 / 0.06 1250
22) 373 + 86 459
23) 4.9 / 2 2.45
24) 4.3 * 2 8.6
25) -1 + -3 -4
26) 47 * -0.05 -2.35
27) 8368 + -619 7749
28) -118 - -28 -90
29) 8 * -6 -48
30) -7 * -67 469
31) 6.227 - 2 4.227
32) -0.09 + 1.2 1.11
33) 3 + -6 -3
34) 7813 + 58 7871
35) 666.4 / -8 -83.3
36) -3 * 9.2 -27.6
37) -0.5 - -527 526.5
38) 96.5 + 2.1 98.6
39) 262 * 0.7 183.4
40) 784 - 15 769
41) 0.7 * 749 524.3
42) 2 + 27.6 29.6
43) 42 - 564 -522
44) 0.06 + 0.642 0.702
45) -83 - 50 -133
46) -6 + 7099 7093
47) 833 - -1371 2204
48) 0.975 + 0.003 0.978
49) 7 - 383 -376
50) 443 - 68.8 374.2
51) 8.12 + 9 17.12
52) 48 - -4950 4998
53) -0.043 - -9 8.957
54) 0.01 + 4 4.01
55) 20 + 54 74
56) 2 - 0.16 1.84
57) 4616 + 979 5595
58) -6 - 42 -48
59) -0.9 / -900 0.001
60) 633 - -5.6 638.6
61) 0.007 + 0.8 0.807
62) 28 + -25.82 2.18
63) 5 * 2.99 14.95
64) -824 * -0.8 659.2
65) 61 + -2 59
66) 40.8 - -0.05 40.85
67) 0.009 - 0.007 0.002
68) 962 + 381 1343
69) 863 - 36.6 826.4
70) 75 + -6 69
71) 0.07 - -8 8.07
72) 32 + 37 69
73) 200 - 0.6 199.4
74) 892 + -65 827
75) 93 + 412 505
76) 65 * -0.076 -4.94
77) 0.08 + 0.6 0.68
78) 3.6 + -9.8 -6.2
79) 3.4 - -155.7 159.1
80) 7 + 5.02 12.02


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