• It consists of 10 wooden corner bars from 1 to 10, the size of which is the same as the "red rod" in the sensory aids. The corner bars are painted with red and blue colors every 5 cm, the red part indicates an odd number, and the blue part represents an even number. The shortest bar is 5 cm long and represents the amount of '1', and the longest bar of 50 cm represents the amount of '10'. The number of bars is a teaching aid that represents a continuous "quantity".
• peration method: 1. Place the rods on the rug on one side of the carpet, and take them from the shortest to the longest. (Take a few sticks and two ends, the last one holds both sides). 2, placed in the longest to the shortest order, at any time with the left hand touch the end of the carpet to see if it is aligned. 3, use the smallest piece to detect and compare, put it. 4. When you put it back, it is the opposite of the order when you take it off.
• The second show: the three-stage teaching method teaches children to know the number. 1. Arrange the bars in a sensory form. 2, take a stick and touch and say: "1", take a digital card, the finger card said: "This is 1". And so on until 10. Identification: The teacher asked: "Which is "2"? Point it out and tell the teacher how many numbers?"
• The third show: a few sticks. 1. Arrange the bars in a sensory form. 2, take 10 of the number of bars, take 9 or 1 under the number of 10 bars, ask: "9 and a few together is 10 or 1 and a few together is 10." Count the number, then take the added number Stick, show the horizontal style. 3, and so on, until 5 plus 5 is 10.
• Educational purposes: 1. Recognize the collection of numbers and know the numbers 1-10. 2. The preparation of the decimal method, the concept of importing numbers. Since the product is made of wood, it is strictly forbidden to soak in water. You can wipe it with a soft cloth.