# Bar Charts

## Practise constructing and interpreting bar charts for everyday situations.

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This is level 5: bar charts of grouped data.  Gareth recorded how many passengers were on buses as they unloaded at the bus station. His results are here in a grouped bar chart:

 1 How many buses were seen to have 4 to 6 passengers? ☐ ☐ ✓ ✗ 2 How many buses were seen to have 13 passengers? ☐ ☐ ✓ ✗ 3 How many buses were seen to have 1 to 6 passengers? ☐ ☐ ✓ ✗ 4 How many buses were seen to have more than 6 passengers? ☐ ☐ ✓ ✗ 5 How many more buses had 10 to 12 passengers than had 1 to 3 passengers? ☐ ☐ ✓ ✗ 6 How many buses were included altogether in the survey? ☐ ☐ ✓ ✗ 7 Gareth wrote that the most common (mode) number of passengers on a bus is 10 to 12. Is that true or false? ☐ ☐ ✓ ✗ 8 Estimate the total number of passengers that were included in the survey. ☐ ☐ ✓ ✗ 9 Estimate the average (mean) number of passengers per bus giving you answer to the nearest whole number. ☐ ☐ ✓ ✗

This is Bar Charts level 5. You can also try:
Level 1 Level 2 Level 3 Level 4

## Instructions

Try your best to answer the questions above. Type your answers into the boxes provided leaving no spaces. As you work through the exercise regularly click the "check" button. If you have any wrong answers, do your best to do corrections but if there is anything you don't understand, please ask your teacher for help.

When you have got all of the questions correct you may want to print out this page and paste it into your exercise book. If you keep your work in an ePortfolio you could take a screen shot of your answers and paste that into your Maths file.

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Find the mathematical expression from a series of guesses and clues. This is the numerical version of the extremely popular internet sensation Wordle and UK TV quiz show called Lingo.

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## Go Maths

Learning and understanding Mathematics, at every level, requires learner engagement. Mathematics is not a spectator sport. Sometimes traditional teaching fails to actively involve students. One way to address the problem is through the use of interactive activities and this web site provides many of those. The Go Maths page is an alphabetical list of free activities designed for students in Secondary/High school.

## Maths Map

Are you looking for something specific? An exercise to supplement the topic you are studying at school at the moment perhaps. Navigate using our Maths Map to find exercises, puzzles and Maths lesson starters grouped by topic.

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## Description of Levels

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Level 1 - Reading simple bar charts

Level 2 - Completing simple bar charts

Level 3 - Comparative bar charts

Level 4 - Composite bar charts

Level 5 - Bar charts of grouped data

Histograms - The next step is to learn about histograms

Reading Graphs and Charts - Answer real-life problems from different types of graphs and charts including piece-wise linear graphs

More Statistics including lesson Starters, visual aids, investigations and self-marking exercises.

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## Curriculum Reference

See the National Curriculum page for links to related online activities and resources.

## Example

This video is from Corbettmaths.

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