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===Example Calculations===
{| class="wikitable"
|-
|[[File:dtGraphCalculation1.png|center|300px]]
|[[File:dtGraphCalculation2.png|center|300px]]
|
| style="height:20px; width:300px; text-align:left;" |'''Calculate the speed of the object in this 80 second journey.'''
: distance = 400[[m]]
: time = 80[[s]]
:<math>Speed = {\tfrac{distance}{time}} </math>
:<math>Speed = {\tfrac{400}{80}} </math>
:<math>Speed = 5m/s </math>
| style="height:20px; width:300px; text-align:left;" |'''Calculate the speed of the object in the first 20 seconds.'''
: distance = 400[[m]]
: time = 20[[s]]
:<math>Speed = {\tfrac{distance}{time}} </math>
:<math>Speed = {\tfrac{400}{20}} </math>
:<math>Speed = 20m/s </math>
|-
|[[File:dtGraphCalculation2.png|center|300px]]
|[[File:dtGraphCalculation2.png|center|300px]]
|-
| style="height:20px; width:300px; text-align:left;" |'''Calculate the speed of the object between 20 and 80 seconds'''
: distance = 100[[m]]
: time = 60[[s]]
:<math>Speed = {\tfrac{distance}{time}} </math>
:<math>Speed = {\tfrac{100}{60}} </math>
:<math>Speed = 1.7m/s </math>
| style="height:20px; width:300px; text-align:center;" |'''Calculate the average speed of the object for its journey.'''
: distance = 500[[m]]
: time = 80[[s]]
:<math>Speed = {\tfrac{distance}{time}} </math>
:<math>Speed = {\tfrac{500}{80}} </math>
:<math>Speed = 6.25m/s </math>
|}