Traditional Culture Encyclopedia - The 24 Solar Terms - What is the solid triangle of sensory teaching AIDS?
What is the solid triangle of sensory teaching AIDS?
Sensory teaching aid solid triangle is a teaching aid. The three-dimensional triangle of sensory teaching aid is a three-dimensional structure composed of paired triangular faces and interconnected edges or edges, which helps children to perceive and understand the shape, size, direction and position of three-dimensional graphics through touching, drawing and combining. Therefore, the solid triangle of sensory teaching aid is a kind of teaching aid.
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