Intermediate
40 mins
Teacher/Student led
+80 XP
Teacher-led from the board. Pupils do not need a device, but can follow on one.

Reading and Comparing a Bar Chart

Learn to read values from a bar chart by matching bar tops to the scale. Identify the tallest and shortest bars for most and fewest. Subtract to find how many more one choice has than another.

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    Bar chart builder

    1 - Getting Started ~3 mins

    Here is a finished bar chart: how a class gets to school. Look how high each bar reaches on the numbers at the side. Which bar is tallest? How many more walk than cycle?

    2 - Watch and Notice ~7 mins

    The same chart, read three ways. The numbers on top of the bars are hidden, so we read each one off the numbered side. First, run a finger across from the top of each bar to the side and say its number.

    Next, name the tallest bar and the shortest bar.

    Walk reaches 8 and Cycle reaches 3. How many more means take the smaller number away from the bigger one: 8 − 3 = 5, so five more pupils walk than cycle. Then add Walk and Bus together.

    3 - Try It Together ~8 mins

    Here is a new chart: favourite break-time snack. Read each answer off the numbered side, type it in the box and press Check.

    Four questions: how many chose Apple, the tallest bar, the shortest bar, and how many more chose Yoghurt than Banana.

    Favourite break-time snack

    4 - Write the Tallest Bar in Your Copy ~2 mins

    COPYBOOK MOMENT

    In your maths copy, write which bar was tallest and how high it reached.

    Pupil practice
    Module 11 · Data, from Question to Pictogram and Bar Chart Data & Chance
    Lesson 118 · Reading and Comparing a Bar Chart
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