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) -93 + 1 -92
2) -45 - 5 -50
3) 4 * 11.3 45.2
4) 599 + -0.5 598.5
5) 0.009 * 9 0.081
6) -0.005 * -96 0.48
7) -0.6 * 99 -59.4
8) 44 - 5.5 38.5
9) 1 - 0.07 0.93
10) -0.6 - -59.8 59.2
11) 4.739 + 0.008 4.747
12) 2551 - 5 2546
13) 97 + 326 423
14) 108 + 3569 3677
15) 0.186 - -0.99 1.176
16) 2552 + -22 2530
17) 8 - 60.8 -52.8
18) 960 * 0.009 8.64
19) 1.419 - 0.001 1.418
20) 3481 + 21 3502
21) -58.6 - 6 -64.6
22) -97 - 6 -103
23) 0.68 / 0.8 0.85
24) 0.037 - 0.007 0.03
25) 0.93 + 95 95.93
26) -0.09 / -0.05 1.8
27) -0.99 + -4.6 -5.59
28) 0.4 * 479 191.6
29) 3215 - -8 3223
30) -0.045 + 4.9 4.855
31) 8231 - -6 8237
32) 0.51 / 2 0.255
33) 60 + 8.5 68.5
34) 911 - -0.7 911.7
35) 0.44 * 0.3 0.132
36) -0.03 + 40 39.97
37) 655.5 / -5.7 -115
38) 553 - -3.8 556.8
39) -1.3 * -198 257.4
40) -66 - 70 -136
41) 2 - 2.6 -0.6
42) 55.61 + 4 59.61
43) -582 * -9 5238
44) 6 + 254 260
45) 9 / -0.01 -900
46) -3 * 0.79 -2.37
47) 0.9 + 708 708.9
48) 8.991 + 0.004 8.995
49) 1 * 0.03 0.03
50) 9062 - -8 9070
51) 4 + -8.2 -4.2
52) 73 - 78 -5
53) 92 + 1 93
54) -57 + -92 -149
55) 34 * 0.2 6.8
56) 38.5 + -1.09 37.41
57) 4 + -723 -719
58) 66 - 57.59 8.41
59) -8 / 0.064 -125
60) 8 - 56 -48
61) 1 * -1.32 -1.32
62) 1 - 0.08 0.92
63) -3.9 + 53 49.1
64) 0.02 / 2 0.01
65) -2 + 526.4 524.4
66) -89 * -0.2 17.8
67) 59.76 / -0.8 -74.7
68) 33.92 - -4.42 38.34
69) 9.036 + 0.6 9.636
70) 6 / 0.003 2000
71) -9 * -452 4068
72) -5 * 37 -185
73) -4 - 6 -10
74) -55 - 481 -536
75) 81.4 + -24.76 56.64
76) 51 - -0.07 51.07
77) 6 * 1 6
78) 1 * 5 5
79) 0.7 * -63 -44.1
80) 5.07 - -79.13 84.2


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