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Unravelling Sequences
Age 7 to 11
Challenge Level 
Remember you can slow down the program!
What do you think the top blue boxes in the left-hand panel tell us?
When does the program stop? What might 'out of range' mean?
Why does the red spot go backwards and forwards between the steps that say 'Highlight' and 'Move forward...'?
How do you know how far apart all the shaded numbers are going to be?
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