INTERPRETING LINE GRAPHS WORKSHEET

Problem 1 :

Below is a line graph that shows how many books are sold in a charity shop over one week.

(a) On which day did the charity shop sell the most books ?

(b) On which day did the charity shop sell the least books ?

(c) How many books were sold on Tuesday ?

Solution

Problem 2 :

Below is a line graph that shows the population of a village.

(a) What was the population in 1980 ?

(b) In which year was the population 700 ?

The population is expected to increase by 120 by 2020.

(c) Work out the expected population in 2020.

Solution

Problem 3 :

The table shows the average price of unleaded petrol in England over 5 years.

(a) Draw a line graph for the data.

(b) Between which two consecutive years did the price increase the most ?

Solution

Problem 4 :

The table shows the percentage of the vote that the Purple Party received in six general elections.

Solution

Problem 5 :

The table shows the value of a share in a mobile phone company over one day.

Draw a line graph for the data.

Solution

Problem 6 :

The table shows the number of customers each lunchtime at an ice cream parlour.

(a) Draw a line graph for the data.

(b) On which day did the ice cream parlour have the most customers ?

(c) Work out how many customers visited the ice cream parlour in total.

(d) Give a possible reason why there were only 3 visitors to the ice cream parlour on Wednesday.

Solution