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Maths Exercices
Interpret Line Graphs

Line graphs are drawn by plotting points, then joining the points with straight lines. They are usually used for data that is changing over time.

This graph shows the midday temperatures in Oxford one week.

a. Estimate the temperature on Saturday.
b. On which day was the temperature 15ºC?
c. Which day was the warmest?
d. Do you think this week was in winter or summer. Give a reason

a. The dot above Saturday is at 17 ºC. It was about 17 ºC on Saturday.
b. If we go across from 15 ºC the do we come to is above Friday. On Friday it was 15 º C.
c. It was warmest on Sunday.
d. The temperatures were too warm for winter. The week was in summer.