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Data Handling and Presentation · Compare categories and justify conclusions · 3:43

You'll learn: Find totals differences and most or least frequent categories

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Use a graph to answer a question

3:43

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Use a graph to answer a question

You'll learn: Find totals differences and most or least frequent categories

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Compare categories and justify conclusions

1

What can this survey actually tell us
3:52
What can this survey actually tell us
You'll learn: Distinguish supported conclusions from guesses

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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

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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

2

When do repeated steps meet
3:40
When do repeated steps meet
You'll learn: Find common positive multiples
Find the first meeting and later meetings
3:41
Find the first meeting and later meetings
You'll learn: Use a short list to solve a repeated-event problem

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Distinguish primes composites and one

2

Prime numbers have exactly two factors
3:36
Prime numbers have exactly two factors
You'll learn: Distinguish prime and composite numbers
Why one is different and two is prime
3:34
Why one is different and two is prime
You'll learn: Correct common classification mistakes

Next topic

Identify primes systematically

2

Sift a number grid for primes
3:33
Sift a number grid for primes
You'll learn: Use a systematic sieve on a finite grid
Check a proposed prime carefully
3:30
Check a proposed prime carefully
You'll learn: Use factors and counterexamples instead of appearance

Next topic

Understand coprime numbers

1

Coprime describes a pair
3:26
Coprime describes a pair
You'll learn: Recognise two numbers sharing only factor one