Description
You will never need to say "Add a zero" again when you actually mean 10x larger! Using the words "add a zero" creates misconceptions and is a rule that fails when mulitpying and dividing by decimals.
Student sliders come with either no text above the place values names or at each position a 10 x or ÷10 with arrows in the direction of the slide.
The strip used to slide the number across is designed to be written on with a white board marker which easily rubs off after use.
In the bottom of each corner is either "Left" or "Right" to reduce the cognitive load on learners when sliding a number.
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