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Decimal Ruler Challenge

$0.99
iPad
Genres:
  • Education
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This challenge encourages the exploration of multiple decimal places by zooming in to a virtual ruler to see further decimal detail at each level.
Click on any segment of the top ruler to expand it. Click on a segment of the lower ruler to explore further.
Using the default of 1 decimal place the challenge is to drag the pointer to the target and then click the tick. This can be achieved either on the top ruler or by clicking the relevant segment and pointing to the target on the lower ruler.
Use the options button to choose your settings.
Choosing Automatic will start at 1 decimal place but increase the challenge after 5 consecutive right answers.