Process

= Good Job = **Assignment**

Check the following web page in which you have a magic trick. []

Follow these steps: 1. Read the instructions, cut them and paste them to your wiki. Underline the words that are time markers.

Think of a 2-digit integer. Subtract from the number the sum of its digits and find the result in the table below. Note that each cell of the table contains a number and a geometric shape. Concentrate hard on the shape that shares a cell with the result of your calculations. __When ready__, press the "Check it!" button ...

2. Play and try to explain why the magic trick worked

I see there are a lot of numbers with the same symbol, so i believe that __exist__ there is some equation that, when we subtract the sum of the digits of a two digit number, give a specific number set. = "I" is always witten in capital letters = 3. Check the explanation below the trick. Was it the one you were thinking of? Explain.

Pretty accurate, I just didn't realize that all the numbers give __a__ multiples of 9. I was really expecting something more complex.