Thursday, 15 January 2015

My number 15

Here is my factor tree

I chose number 15 because I like it!

With Cuisenaire rods you can make shapes with number 15

Fifteen (english) = quince (spanish)
Quince (english) = membrillo (spanish)

15 minutes = a quarter hour

This year is 2015.

    1 may 2015 = 1/5/15

Magic square. The numbers in each row, and in each column, and the numbers in the main and secondary diagonals, all add up 15.
15 magic square

According to legend, it originated around 2205 BC when the Emperor discovered the magic square on the back of a turtle

There are 15 players in a Rugby team.

There are 15 balls in billiards.

There is shapes with 15 vertices:

With 15 squares you make 3 stars:

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