Interpreting time series graphs
I can interpret time series graphs, including commenting on trends.
Interpreting time series graphs
I can interpret time series graphs, including commenting on trends.
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Lesson details
Key learning points
- The graph can be used to estimate a frequency at a given time
- Time series graphs can help us spot underlying trends or systematic patterns
- These trends can be interpreted in context and the context may explain the pattern seen
Keywords
Time series graphs - Time series graphs show data over a time period. The time period is always shown on the x-axis. Data points are joined chronologically by line segments.
Common misconception
Pupils may place too much confidence in the accuracy of predictions based on extrapolating time series graphs into the future.
While extrapolating a time series graph provide an indication of what future results may be, predictions are not guaranteed. Context should also be considered in these cases (e.g. whether there is a natural limit to how high a variable may reach).
To help you plan your year 10 maths lesson on: Interpreting time series graphs, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 10 maths lesson on: Interpreting time series graphs, download all teaching resources for free and adapt to suit your pupils' needs.
The starter quiz will activate and check your pupils' prior knowledge, with versions available both with and without answers in PDF format.
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The assessment exit quiz will test your pupils' understanding of the key learning points.
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Explore more key stage 4 maths lessons from the Graphical representations of data: scatter graphs and time series unit, dive into the full secondary maths curriculum, or learn more about lesson planning.
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Lesson video
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Prior knowledge starter quiz
6 Questions
Q1.A time series graph is used to show data over a period.
Q2.Izzy records how many birds appear in her garden over the course of a day. Here is her time-series graph. Izzy should label the vertical axis . (Do not include units in your answer).
Q3.A point on this axis has been labelled $$p$$. The value of $$p$$ is .
Q4.Jun plots a time series graph using time intervals that are regular and quarterly. The first month on his graph is January, the next quarter starts with the month of .
Q5.The time-series graph shows information about internet connection in Great Britain in households with 1 adult aged over 65. In 2018, approximately % of households have internet access.
Q6.The time series graph to show the temperatures in Sheffield between 2012 and 2019. In how many quarters does the mean maximum temperature reach less than 10°C ? quarters.
Assessment exit quiz
6 Questions
Q1.A time series graph shows data over a time period. The time period is always shown on the axis.
Q2.This time series graph is based on data from the ONS about the amount of money spent each week on retail in the UK. Which of these best describes the overall trend?
Q3.This time series graph is based on data from the ONS about the amount of money spent each week on retail in the UK. Why is there an unusual dip in 2020?
Q4.The time series below shows data from the ONS about the average annual income per person each year. What is the approximate mean income in the year 2000?
Q5.The time series below shows data from the ONS about the average annual income per person each year. What is the approximate greatest difference between the mean and median incomes?
Q6.The time series graph shows data on average houses prices over a number of years in the UK. In the year the average house prices rose above £200 000
