Calculating speed, distance and time

Maths

Ratio, real life graphs, and rates of change

Which of the following calculations can be used to work out speed?

Becky runs at 7 km/h for half an hour. How far does she run?

Ella cycles 18 miles in one and a half hours. What is her average speed in miles per hour?

A train travels 75 miles at an average speed of 25 mph. How long does the journey take?

On the first part of the journey a car travels 160 km in 3 hours. On the second part of the journey the car travels 140 km in 2 hours. What is the average speed of the car over the whole journey?

Fill in the gap: __________ is a measure of how fast something is travelling.

Fill in the gap: speed involves two other measures, distance and __________.

A car is travelling at a speed of 20 kilometres per hour. How far will it travel in three hours?

A car travels 90 kilometres in two hours. What is its average speed in kilometres per hour (km/h)?

Binh cycles 80 kilometres in 5 hours. What is her average speed in kilometres per hour (km/h)?

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Calculating speed, distance and time

Lesson outcome