Página — Matematica 5° Primaria (pág. 15)

Los milímetros cuadrados se pueden convertir en centímetros cuadrados.

100\ mm^2\equiv1\ cm^2

jHay que dividir entre 100!

3268~mm^2\xlongequal\ 32.68~cm^2.

32.68\mathrm{cm}^{2} debe ser el producto de 7.6 cm × 4.3 cm

Para tener otra explicación del resultado anterior, expresen los dos números decimales mediante fracciones.

{\begin{array}{r l}&{7.6\equiv{\frac{76}{10}}}\\ {{\frac{76}{10}}\star{\frac{43}{10}}\equiv{\frac{76\star43}{10\star10}}\equiv{\frac{3268}{3268}}\equiv{\frac{76\star{\frac{\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle\scriptstyle

7.6\times4.3\xlongequal\ 32.68

El área de la tarjeta es de 32.68 cm2

En papel periódico hagan un cuadrado de 1 m de lado y luego dóblenlo por dos de su ejes de simetria, como indica el dibujo:

\dot{e}^{C_{\cup}\dot{a}1} es el área de la parte rayada?



Guía 14 B

15