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) 0.1 - 0.2 -0.1
2) 87 + -9 78
3) 5 * 6 30
4) 7.4 + 1.7 9.1
5) 2310 / 7 330
6) 1 - -6.757 7.757
7) 39 / 0.02 1950
8) -2 + 4.667 2.667
9) 0.014 + 3.28 3.294
10) 0.2 - -0.75 0.95
11) -5 * -1 5
12) -0.694 + 2.4 1.706
13) -0.09 / 0.075 -1.2
14) 92.3 - -0.7 93
15) 7 / 0.001 7000
16) 216.3 + 486 702.3
17) -6 - 16 -22
18) -1 * 1 -1
19) 23.3 + 196.2 219.5
20) -7 + 586 579
21) 0.06 + 7 7.06
22) 1.711 - 0.5 1.211
23) 3 - 699 -696
24) -3.5 + 659.9 656.4
25) -861 - 9 -870
26) 562.2 + 1 563.2
27) -0.018 + 0.07 0.052
28) 56 - 73 -17
29) 339 + -899 -560
30) -0.03 * 3 -0.09
31) 3 + 9.1 12.1
32) 0.04 * -8 -0.32
33) 0.786 - -9 9.786
34) 893 - 6 887
35) -5 + 1 -4
36) 0.694 + 0.01 0.704
37) 19 / 0.05 380
38) -92 * 0.5 -46
39) 19.1 - 1 18.1
40) 3 * -3 -9
41) 87 + -7.5 79.5
42) 2 - -0.003 2.003
43) -154 + 6 -148
44) 89 * 5.8 516.2
45) 0.8 * -5.1 -4.08
46) 160 * -3 -480
47) 175.6 - 0.9 174.7
48) 124 + 6067 6191
49) -8 - -0.65 -7.35
50) -13 - -640 627
51) 0.2 + 0.005 0.205
52) 168.3 - 9 159.3
53) 0.12 - -26 26.12
54) -615 * -2 1230
55) 9 * 0.42 3.78
56) 0.09 + 91.8 91.89
57) 6.2 * 0.07 0.434
58) -0.062 + 7 6.938
59) 56 - -879 935
60) 86 + -9 77
61) -4 * 233 -932
62) 8 - 317 -309
63) 0.029 / -0.004 -7.25
64) -28.4 - 0.4 -28.8
65) -0.6 + 0.998 0.398
66) -0.1 + -37 -37.1
67) 657 + 60 717
68) 8 * 81 648
69) 61 + 14 75
70) 5 - 0.374 4.626
71) 6769 + 7 6776
72) 53 - -7915 7968
73) 43.13 * 0.2 8.626
74) -0.1 * -3424 342.4
75) 1 + 75.5 76.5
76) 6 * -3 -18
77) 8 - 23 -15
78) -7.9 + 63 55.1
79) 8 - -9.8 17.8
80) 587 * 0.8 469.6


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