ALGEBRA!!!

To introduce this part of the subject (one of the most important in maths for the rest of your school life) here you have a fan fact explained in a video:

You can watch is as well directly on the TED-TALKS SITE:
https://www.ted.com/talks/terry_moore_why_is_x_the_unknown?language=es

TABLE TO GUESS BIRTHDAY

Hi Everybody!!
This would be our (we)blog for the whole academic year. Here I will post all the news, curiosities, special activities, tasks descriptions or assessment rubrics for the subject.

To start, as a welcome gift, the chart to guess anyone´s birthday:

Table to guess birthdays (or any number between 1 and 32):

A	B	C	D	E
13	6	31	8	29
9	31	20	25	17
5	18	29	27	25
31	27	4	11	28
17	3	5	30	31
3	10	12	9	18
15	30	28	29	16
19	26	15	10	20
1	7	30	28	26
29	19	23	15	30
25	22	6	31	23
7	11	13	12	19
21	2	14	26	22
11	23	22	13	27
27	15	7	24	21
23	14	21	14	24

Get the letter of the DNI

As we did in class, the only thing to do is to divide the DNI number by 23, the remainder is associated to each letter according to this table:



Practise guessing the letter of several DNI numbers you can find. And be practical: learn your number as well, it's useful!!