[Year 12 SofDev] An algorithm puzzler for your kids (and you?)

[Robert Hind]

Like it!

What a great way of rounding up to the nearest 0.25. Give the kid a banana, 
no give her/him a whole bunch - after all they are down to under $3 a kilo 
now!

Robert Hind (Semi-retired)
Ex Traralgon and Ashwood

----- Original Message ----- 
From: "Mark Kelly" <kel at mckinnonsc.vic.edu.au>
To: "Year 12 Software Development Teachers' Mailing List" 
<sofdev at edulists.com.au>
Sent: Thursday, March 08, 2007 10:43 AM
Subject: Re: [Year 12 SofDev] An algorithm puzzler for your kids (and you?)


>A neat second method developed by one of my kids follows at the bottom...
>
> It's better than mine...  sometimes I hate kids!
>
>
> Mark Kelly wrote:
>> Whilst battling to get a database to calculate averaged VELS domain 
>> scores from dimension scores, I faced an interesting problem you might 
>> want to set your kids for tackling algorithms.  (A handy way of filling 
>> in a messy 5 excess minutes at the end of a period?)
>>
>> Domain scores are rounded up to the nearest 0.25, so 4.01, 4.1 and 4.24 
>> become 4.25.  And 4.76 and 4.99 become 5.0.
>>
>> I spent quite some time scribbling and testing with Excel to get it 
>> right.  The solution appears under my sig if you are interested.
>>
>> The satisfaction I felt when I solved it reminded me of why I got into 
>> programming in the first place :-)
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>
> =(-INT(-n*4)/4)
>
>
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