# What is it - Nuffield Foundation

Nuffield Free-Standing Mathematics Activity Matching graphs and scenarios Nuffield Foundation 2012 Measuring pulse rate Measurements from real-life situations

give different shapes of graph. Using the cards, match each scenario with its graph. Conversion graph (miles against kilometres) miles 100 kilometres

0 160 Graph showing 100 mile journey Distance travelled (miles) 100

0 2 Time (hours) Graph showing amount of oil in tank Amount (litres) 100

0 5 Time (days) Graph showing temperature of water Temperature (C) ) 100

20 0 60 Time (minutes) Graph showing temperature of bread Temperature (C) )

0 30 Time (minutes) 20 Conversion graph (F against C)

Temperature (F) 212 32 0 100 Temperatur (C) ) e

Graph showing vehicle travelling at a steady speed before an emergency stop Speed (mph) 50 0 Time (seconds)

Graph showing depth of water in bath Depth (cm) 50 0 Time (minutes)

5 Graph showing vehicle setting off from junction Speed (mph) 50 0 10

Time (seconds) Graph showing growth of a plant Height (cm) 50 0 10

Time (weeks) Graph showing heart rate in exercise Heart rate (beats/minute) 100 0 Time (minutes)

50 Graph showing amount of water in container Amount (ml) 200 0 50 Time (seconds)

At the end of the activity When interpreting a graph, which key features are useful? Describe a real situation that would give a linear graph. Describe a real situation that would give a curved graph. Describe a real situation that would give a graph with more than one section (straight or curved).

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