LOOKING INSIDE MACHINES

DESCARGA AQUÍ LA ACTIVIDAD "HOW DOES A CALCULATOR WORK"
DOWNLOAD HERE THE ACTIVITY:
https://drive.google.com/open?id=1e3UhNLLSbH5KVVBpdhmzeYwCub4t5eMQ

DOWNLOAD AN INFOGRAPHIC EXAMPLE:
https://drive.google.com/open?id=1EWU4n4tVjQibYICEt_rKajpyxfYYIuGs