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) -0.992 + 7.3 6.308
2) 5 + 0.043 5.043
3) 83.2 + 1 84.2
4) -23 * 0.1 -2.3
5) 286 + 4 290
6) -2 - 8 -10
7) -0.6 * -758 454.8
8) -415 + -1 -416
9) 565 - 6 559
10) 270 + -35.7 234.3
11) -8 - -852.6 844.6
12) -233 + -78 -311
13) -448 - 155 -603
14) -4.74 - -4 -0.74
15) -392 - 55 -447
16) -98.22 / -3 32.74
17) -25 + -0.3 -25.3
18) 0.088 + -0.01 0.078
19) 509 + -408.1 100.9
20) -3832 - -6323 2491
21) -5 * -84 420
22) 355 - -0.9 355.9
23) 3 * -2.1 -6.3
24) 0.2 - -0.07 0.27
25) 98 - 0.66 97.34
26) 0.337 + -0.2 0.137
27) -6.2 - -61 54.8
28) 12 * 2 24
29) 0.077 + 4 4.077
30) 4 * -0.8 -3.2
31) 419 + 27 446
32) 645 / -5 -129
33) 1 + -39 -38
34) 3219 - 58 3161
35) -8 - -5 -3
36) 0.865 + 2 2.865
37) 7 * 258 1806
38) 0.89 - -8 8.89
39) -3 - -47 44
40) 8 + 0.1 8.1
41) 8200 + -470 7730
42) -758 / -2 379
43) -0.5 + 0.6 0.1
44) 3 * 8.86 26.58
45) 1.1 - -0.052 1.152
46) 875 + 225 1100
47) -1 * -779 779
48) 4 / -0.05 -80
49) 92.89 / 0.7 132.7
50) 6706 + -78 6628
51) -0.007 + 4.1 4.093
52) 0.958 / -0.002 -479
53) 6 + 0.8 6.8
54) -1.5 * -21 31.5
55) -0.9 + 8 7.1
56) 609 - 12 597
57) -341 - 638 -979
58) -124 * 6 -744
59) 3 - 0.006 2.994
60) 4 + 940 944
61) 4.56 * 5 22.8
62) 8.51 + 0.004 8.514
63) 4 + 90 94
64) 6.08 / 0.8 7.6
65) 7 * -0.42 -2.94
66) -0.01 + 65 64.99
67) 0.07 / -0.02 -3.5
68) 8 + 1.3 9.3
69) 0.008 * 5 0.04
70) 4 + -89.5 -85.5
71) 38 - 82.8 -44.8
72) 0.1 + 0.48 0.58
73) -7.82 - -8.791 0.971
74) 49 * 25 1225
75) 0.99 + 3 3.99
76) 7 - 5 2
77) 4.2 + 6 10.2
78) -0.2 - -95 94.8
79) 1 - 921 -920
80) 0.3 / 0.02 15


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