Four activities had been necessary to have repetition of numbers. Four stages correspond the 4 points. This game can be applied from 5 year of Basic Ensino. RULES OF the GAME 1) Each pupil chooses by lot a numeral of 6 numbers for the colleague. 2) Who gains the play to get more points, that is, what to carry through greater number of activities until a number is repeated. 3) Each pupil confers the work of the colleague. VARIATIONS the pupils choose by lot successively numeral formed of 5 numbers, 4 numbers, 3 numbers, 2 numbers. Another interesting game for bigger pupils is ‘ ‘ Guessing the age of one pessoa’ ‘ We can guess the age of a person asking for to it that it carries through the following calculations: 1 Escrever a number of two numbers.
2 Multiplicar the number written for two. 3 Somar five units to the gotten product. 4 Multiplicar this addition for fifty 5 Somar to the product number 1750. 6 Subtrair the year from the birth. The result that if it gets is a number of four numbers abcd. The two numbers of the right, that correspond to the sets of ten and the units, indicate the age of the person and, the two numbers of the left, that they correspond to the hundreds and to the thousands, they indicate the number that the person had thought.