See how much you know about distance-time graphs by answering the questions below. Question Calculate the speed of the object represented by the green line in the graph, from 0 to 3 s .

Consider the following three key questions the next time you see a graph, map or other data visual so you can confidently decide what to do with that new nugget of information.

See how much you know about distance-time graphs by answering the questions below. Question Calculate the speed of the object represented by the green line in the graph, from 0 to 3 s .