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Knobless Cylinders
4 sets of 10 colour coded cylinders that vary in height and diameter in 4 colour coded wooden boxes.
Yellow set: height and diameter of the cylinders decreases.
Green set: diameter decreases as the height increases.
Red set: diameter decreases as the height remains constant.
Blue set: height decreases as the diameter remains constant.
The knobless cylinders refine and apply the child?s ability to discriminate dimension and prepare for mathematics activities involving comparison, grading and seriation.
The child initially orders a set of cylinders as a line or as a tower, later the sets are combined and the interrelationships in size are experienced.
ELG: Use language such as 'greater', 'smaller', 'heavier', or 'lighter' to compare quantities. Use language such as 'circle' or 'bigger' to describe the shape and size of solids and flat shapes.
£34.99
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