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) -64 - -389 325
2) 49 * 3 147
3) 7.63 + 1.1 8.73
4) 49 / 1 49
5) 8896 - 79 8817
6) 3.9 * 0.9 3.51
7) 0.3 + -8.1 -7.8
8) 61.8 * 75 4635
9) -6 / -8 0.75
10) -7 + 8.369 1.369
11) 7 - 2 5
12) 8 * 1.4 11.2
13) 9 * 7.9 71.1
14) 4 - 9.2 -5.2
15) 2 * 77 154
16) 630 - 7 623
17) 0.94 / 0.004 235
18) -0.2 - 0.02 -0.22
19) 3622 + -20 3602
20) 6 / -100 -0.06
21) 71 * 3 213
22) 535 + 5 540
23) -4.64 - -1 -3.64
24) -6.2 + -7 -13.2
25) -4.6 * -78 358.8
26) 0.27 / 0.6 0.45
27) 8.56 + -1.9 6.66
28) 0.99 - 0.92 0.07
29) 7 + -0.742 6.258
30) 0.1 + -0.75 -0.65
31) 7 + -0.034 6.966
32) 4 + 40 44
33) -0.024 - 0.086 -0.11
34) 264.3 + 5 269.3
35) 4.072 + 0.45 4.522
36) -13.1 + 401 387.9
37) 7.3 + 0.02 7.32
38) 0.07 - 9 -8.93
39) -476 + 47 -429
40) 0.001 - 0.511 -0.51
41) 3 * 8 24
42) -2 - 0.97 -2.97
43) 1.19 - -0.145 1.335
44) 7.86 + 7.2 15.06
45) 9 + 3740 3749
46) 13 * 27 351
47) 879 - -43 922
48) -6.7 - 0.69 -7.39
49) 2 + 7.415 9.415
50) -2 / 20 -0.1
51) 830.5 - -53 883.5
52) -43 - 50 -93
53) -964.4 - -1290 325.6
54) 9.5 - -3 12.5
55) 60.05 - 5.16 54.89
56) -10 * 24 -240
57) 1 - 2.49 -1.49
58) 9 + 9.86 18.86
59) -86 - 47 -133
60) 0.1 * 0.04 0.004
61) -5.767 + 9 3.233
62) 1 + 9 10
63) 72 * 4 288
64) 7 * 2 14
65) -0.01 - -0.3 0.29
66) -0.7 - -54 53.3
67) -0.168 / 0.07 -2.4
68) -0.009 * -19 0.171
69) -67.4 / 10 -6.74
70) 4 + 8 12
71) -7 - 0.07 -7.07
72) 0.2 * -76 -15.2
73) 5.9 - 6.58 -0.68
74) 3575 + 3 3578
75) -0.5 * -248 124
76) 5 / -0.01 -500
77) 9 + -0.7 8.3
78) 4 * 6.86 27.44
79) 8 - 4.5 3.5
80) -6 + 0.19 -5.81


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