Sequence Test

Easy level

This level will only have simple sequences, all answers are guaranteed to have at most 3 digits. If you want to select which tests are used, you can set up a custom exercise.

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.

Start values
Biggest absolute number with which any + or - is done (>0).
Biggest absolute number with which any * or / is done (>1).

Answer & complexity
Guarantee for at least this many examples
(total # of digits)

Easy
Two operations, x and +/-

Medium
Mix of two operations, +, -, *, /

Hard

Specials and logic


Scoring

You get one point for every correct answer, unlike the math test there is no negative score.

Manual

The answer to the sequenence and it's explaination will be printed right next to it in the site's background color. You can use CTRL+A, Command+A or mouse select all to show it. Custom tests will offer more control over the test.

Questions
1) 1, 12, 45, 144 441 (3 * previous + 9)
2) 13, 36, 105, 312 933 (3 * previous - 3)
3) 9, 22, 48, 100 204 (2 * previous + 4)
4) 15, 16, 20, 29 45 (previous + ^2 of place in sequence)
5) 3, 5, 8, 13 20 (previous + next prime number)
6) 5, 12, 40, 152 600 (4 * previous - 8)
7) 15, 17, 20, 25 32 (previous + next prime number)
8) 15, 17, 20, 25 32 (previous + next prime number)
9) 9, 10, 14, 23 39 (previous + ^2 of place in sequence)
10) 3, 7, 19, 55 163 (3 * previous - 2)
11) 9, 11, 14, 19 26 (previous + next prime number)
12) 6, 8, 11, 16 23 (previous + next prime number)
13) 3, 7, 27, 127 627 (5 * previous - 8)
14) 2, 4, 7, 12 19 (previous + next prime number)
15) 11, 12, 16, 25 41 (previous + ^2 of place in sequence)
16) 11, 12, 16, 25 41 (previous + ^2 of place in sequence)
17) 1, 2, 6, 15 31 (previous + ^2 of place in sequence)
18) 12, 13, 17, 26 42 (previous + ^2 of place in sequence)
19) 2, 5, 17, 65 257 (4 * previous - 3)
20) 12, 14, 17, 22 29 (previous + next prime number)
21) 9, 19, 39, 79 159 (2 * previous + 1)
22) 8, 10, 13, 18 25 (previous + next prime number)
23) 14, 19, 29, 49 89 (2 * previous - 9)
24) 17, 39, 83, 171 347 (2 * previous + 5)
25) 2, 3, 7, 16 32 (previous + ^2 of place in sequence)


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