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) 92.79 - 4 88.79
2) 95 + 977 1072
3) 0.8 - 0.712 0.088
4) 76.9 + 141 217.9
5) 0.85 - -73.92 74.77
6) -4.2 / 0.028 -150
7) -0.5 + -1 -1.5
8) 5 + -920 -915
9) -28 / 0.4 -70
10) 0.8 * 812 649.6
11) 0.02 - 6.4 -6.38
12) -0.84 - 4 -4.84
13) -42 - 54 -96
14) -9 / -36 0.25
15) 753 + -54.7 698.3
16) 0.356 * 0.5 0.178
17) 5 / 40 0.125
18) 0.02 + 0.003 0.023
19) 3 / 8 0.375
20) 0.1 + 30 30.1
21) -84 - 153 -237
22) -0.007 + 0.06 0.053
23) 6.8 - 990.8 -984
24) 9 + 7132 7141
25) -279 + 2 -277
26) 2 + -0.5 1.5
27) 2 - 1 1
28) 0.004 * 24 0.096
29) -0.61 + 6 5.39
30) -13.8 + 28 14.2
31) 26 - 7.85 18.15
32) -4 - 77.1 -81.1
33) 7 / 0.007 1000
34) 74 - -71 145
35) 717 + 0.3 717.3
36) 0.06 * -2 -0.12
37) 24.76 + 51.02 75.78
38) 3 - 52 -49
39) 84 + -0.67 83.33
40) 3.6 - 0.26 3.34
41) 99 + 514 613
42) 6 - 7 -1
43) -81 * -3 243
44) 84 + 468 552
45) 0.1 * -36 -3.6
46) -7.5 + 245 237.5
47) 728 - -5.8 733.8
48) 9 + 60 69
49) 8 + 0.3 8.3
50) 67 - -0.5 67.5
51) 803.4 - 5 798.4
52) 2 - 78.8 -76.8
53) -8 + 3 -5
54) 0.03 + 0.15 0.18
55) 0.079 * 9 0.711
56) -89 - 62 -151
57) 67.38 / 6 11.23
58) 4.8 - 0.087 4.713
59) 391 + 4 395
60) 3 + 0.783 3.783
61) 38.57 + -5 33.57
62) 4312 - 2 4310
63) 57.77 - 9 48.77
64) 0.002 / -0.008 -0.25
65) 2.019 - -0.004 2.023
66) 1.8 - -3 4.8
67) 8 + 498 506
68) 4369 + -38 4331
69) -721 + 9 -712
70) -8 * -233 1864
71) 8 + 47 55
72) 3 - 3.63 -0.63
73) 3 + -8.79 -5.79
74) 436 + 1869 2305
75) 14 - 48 -34
76) 1.9 + 8.64 10.54
77) 1 + 5527 5528
78) 2.78 - 1.495 1.285
79) 547 * 7 3829
80) -4 + 1 -3


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