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The scale determines the reading

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Data Handling and Presentation · Choose and read a bar graph scale · 3:36

You'll learn: Interpret equally spaced marks with different numerical steps

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The scale determines the reading

3:36

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The scale determines the reading

You'll learn: Interpret equally spaced marks with different numerical steps

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Same topic

Choose and read a bar graph scale

2

A bar height represents a count
3:47
A bar height represents a count
You'll learn: Read categories and values from the axes
Read horizontal bars too
3:37
Read horizontal bars too
You'll learn: Transfer the reading method to a horizontal graph

Next topic

Construct a labelled bar graph

3

Plan the axes and scale
3:35
Plan the axes and scale
You'll learn: Choose a scale that fits the largest count
Draw a complete bar graph
3:40
Draw a complete bar graph
You'll learn: Plot counts with consistent widths and spacing
Repair a graph that misrepresents counts
3:31
Repair a graph that misrepresents counts
You'll learn: Check baseline scale labels and bar heights

Next topic

Compare categories and justify conclusions

2

Use a graph to answer a question
3:43
Use a graph to answer a question
You'll learn: Find totals differences and most or least frequent categories
What can this survey actually tell us
3:52
What can this survey actually tell us
You'll learn: Distinguish supported conclusions from guesses

Next topic

Make a clear and appealing data presentation

1

Design should help the reader
3:48
Design should help the reader
You'll learn: Choose readable labels orientation and simple decoration

Next topic

Understand a factor through equal groups

2

Factors make exact groups
3:32
Factors make exact groups
You'll learn: Connect a factor to division without leftovers
Find all factor pairs
3:27
Find all factor pairs
You'll learn: List factors systematically

Next topic

Understand a multiple through repeated groups

2

Multiples count repeated groups
3:32
Multiples count repeated groups
You'll learn: Generate positive multiples by repeated equal additions
Factors and multiples answer different questions
3:44
Factors and multiples answer different questions
You'll learn: Choose the correct relationship in context

Next topic

Find common factors

2

One group size for two collections
3:29
One group size for two collections
You'll learn: Find factors common to two numbers
Use common factors to solve a sharing problem
3:44
Use common factors to solve a sharing problem
You'll learn: Interpret the largest possible group size from a list

Next topic

Find common multiples

1

When do repeated steps meet
3:40
When do repeated steps meet
You'll learn: Find common positive multiples