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) 0.009 * 4 0.036
2) 0.07 + 3 3.07
3) -3 - 861 -864
4) 21 + 5 26
5) 0.054 - -0.27 0.324
6) 9 - -689.4 698.4
7) 1811 * 0.02 36.22
8) -78 + -7 -85
9) 0.5 - 8.4 -7.9
10) 152 * 0.05 7.6
11) 7.7 / 2 3.85
12) 543 - 930 -387
13) 11 + 30 41
14) 6265 + -6 6259
15) 0.2 - 0.72 -0.52
16) 93 + 5 98
17) 6.2 / 5 1.24
18) -55 * -0.21 11.55
19) 0.001 * 9638 9.638
20) -94.4 * 5 -472
21) 9828 + 12 9840
22) -9 / -25 0.36
23) 0.76 + -0.502 0.258
24) 511.6 / 10 51.16
25) 550 - 533 17
26) 6012 - -76 6088
27) -9 + -511 -520
28) -3.1 - 1 -4.1
29) 0.293 + 2.3 2.593
30) 85.54 + -9.5 76.04
31) 2 * 0.82 1.64
32) -0.09 + -9 -9.09
33) 817 - -3 820
34) 0.97 + 54 54.97
35) 2 * 0.91 1.82
36) -39 + -5 -44
37) -383 - 53 -436
38) 83 + 18 101
39) 13 - 0.8 12.2
40) -9 / 0.06 -150
41) 6 * -96 -576
42) 95.3 + -105 -9.7
43) 68 + 2.18 70.18
44) 2 - -9.59 11.59
45) 91 * 96 8736
46) 89 + 82 171
47) -0.85 - 0.55 -1.4
48) 5.799 - 0.7 5.099
49) 0.7 + 0.2 0.9
50) 25.1 * 3 75.3
51) 4.914 / -0.007 -702
52) 224 - 77.1 146.9
53) 350 + -193 157
54) 6 * 38.5 231
55) -6 - 626 -632
56) -37 + 3.1 -33.9
57) -0.009 * -16 0.144
58) 0.07 / -0.05 -1.4
59) 3075 - 595 2480
60) 0.488 / 0.02 24.4
61) 0.75 + -0.3 0.45
62) -6.31 * -5 31.55
63) 9.413 - 9 0.413
64) 64 - -1.99 65.99
65) 2 * 476 952
66) 68 + 4 72
67) 0.06 - 1 -0.94
68) 3 - 0.179 2.821
69) 6579 - 1109 5470
70) 0.035 + 9 9.035
71) 5 - 636 -631
72) -9 * 52 -468
73) 1 + 0.3 1.3
74) 0.9 + 2.14 3.04
75) 0.464 * 2 0.928
76) 9.9 * 1 9.9
77) 0.09 - 4 -3.91
78) 6 + 5 11
79) 2 * 260 520
80) 0.09 / -0.9 -0.1


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