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) 55 - 13 42
2) -236 - 675 -911
3) 6852 + 88 6940
4) 600 - 79 521
5) 49 + 769 818
6) -0.05 + 4 3.95
7) -0.98 - 22.42 -23.4
8) 39 / -10 -3.9
9) -8.75 - -15 6.25
10) -5 + -13.8 -18.8
11) -0.1 * 6.9 -0.69
12) -6.3 + 244.4 238.1
13) -1 - 3 -4
14) 0.4 / 4 0.1
15) 8 / 4 2
16) 4 * 2.7 10.8
17) 857 - 2 855
18) -8 * 23 -184
19) 3.62 + 7 10.62
20) 0.3 * 274.4 82.32
21) 0.9 + 0.2 1.1
22) 66 - 84 -18
23) 406 + 0.7 406.7
24) -0.1 - -192 191.9
25) -31 * -8 248
26) -53 * -2.3 121.9
27) 99 - -71 170
28) 105 * 9 945
29) 0.154 + 0.79 0.944
30) 29 / -5 -5.8
31) 0.64 + 0.07 0.71
32) 0.7 * -22 -15.4
33) 503 - 417 86
34) 37 - 94 -57
35) 25.5 + 71.2 96.7
36) 5.115 - 1 4.115
37) -6 + 9 3
38) 8 / -0.1 -80
39) 1707 - 840 867
40) -8.1 * 5 -40.5
41) 79 / 2 39.5
42) 2439 - -54 2493
43) 0.57 + 6.546 7.116
44) 9 - 3.4 5.6
45) 0.9 - -4.025 4.925
46) 79 * 0.3 23.7
47) -46 / 5 -9.2
48) 2 - 1 1
49) 634 - -978 1612
50) -0.04 * -185 7.4
51) -18 / 0.08 -225
52) 8784 - 77 8707
53) 8 + 551 559
54) 36 + 319 355
55) 802 / 2 401
56) -0.07 - 9 -9.07
57) -0.049 + 7 6.951
58) -6 * 2 -12
59) -4 + 94.8 90.8
60) 775 * 0.2 155
61) 403 + -1060 -657
62) -60.9 + 829 768.1
63) 13 / 5 2.6
64) -29.26 / -0.007 4180
65) -0.5 + 8 7.5
66) 0.003 - -8 8.003
67) -1984 * -2 3968
68) -0.69 - -84 83.31
69) 7 + 0.008 7.008
70) -0.471 + 0.071 -0.4
71) 41.61 - 7 34.61
72) 654 - -7389 8043
73) -8.25 + 0.83 -7.42
74) 0.056 + 1 1.056
75) 9553 + -398 9155
76) 0.8 * 7 5.6
77) 196 + 8.9 204.9
78) -0.02 - -4 3.98
79) 6 + 7538 7544
80) 1.14 - -82 83.14


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