Вспомогательное оборудование модель с тремя иглами часы для детей время распознавания начальная школа

Описание и отзывы

Трекер стоимости

Характеристики

Watch model children recognize time elementary school teaching equipment teaching aids three-needle linkage

 

Clock model
Children's time cognition
Primary school teaching equipment
Children's teaching equipment
Plastic clock
Two-needle linkage table

 

1. Purpose:
Clock model for the understanding and reading of "hours and minutes" in elementary school mathematics and children's teaching
Two, composition:
This model is composed of clock face, pointer, linkage, bracket, etc. The model is a seat type, student use, three-needle linkage, clock face use
12 o'clock mark. 8cm in diameter
Three, use method:
1. Put the model on the table and turn the device on the back of the model to make the hour or minute hands rotate respectively. .
2. By observing the shape and operation of the pointer, understand the relationship between hours, minutes and each other.
3. Reverse the pointer to a certain position so that students can read and write the time indicated on the face of the clock.
4. Take two clock faces, adjust the appropriate time, and ask students to write the time that passes from the clock face to the second clock face
between.
Four, maintenance and maintenance
1. To clean the clock face, wipe it with a soft cloth, and avoid colliding with the pointer and deforming the pointer.
2. When rotating, it should be slow, the speed is too fast, it is easy to damage the gear.

 

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