PracticeQuestionsYears 1–7
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Pie charts, line graphs and the mean

Year 6 · Upper Key Stage 2 · 6S-1 — Interpret pie charts and line graphs; calculate the mean

Draft — awaiting teacher review

Builds on: Reading bar charts and time graphs (Year 4), Fractions, decimals and percentages (Year 6)

I

Concept Anchor

In a pie chart, each slice is a fraction of the whole group. Half the circle means half the group. The mean is the total divided by how many values there are.

Worked example

Find the mean of 4, 7, 9 and 8.

  1. 1.Total: 4 + 7 + 9 + 8 = 28.
  2. 2.There are 4 values.
  3. 3.28 ÷ 4 = 7.
II

Guided Check

A pie chart shows 80 people. A quarter of the circle is 'bus'. How many came by bus?

    III

    Independent Diagnostic Practice

    Q1Year 66S-1 — Calculate the mean·Fluency·●○○Draft — awaiting teacher review

    Find the mean of 4, 7, 9 and 8.

    Q2Year 66S-1 — Read a pie chart·Reasoning·●●○Draft — awaiting teacher review

    A pie chart shows the favourite fruit of 60 children. Half of the circle is apples. How many children chose apples?

    Q3Year 66S-1 — Compare two pie charts·Problem Solving·●●●Draft — awaiting teacher review

    Chart A shows 40 pupils. Chart B shows 100 pupils. In both, a quarter of the circle is 'walk'. Which is true?