Second, the suitable class: large class

Third, the toy function:

1, understand the penetrability and iron absorption of magnets.

2. Decompose numbers within 10 to understand the relationship between the whole and the parts.

Four, production materials and methods:

Take a shirt box, put the bottom flat, with the lid standing as the background (decorated with various patterns), then make a box slightly shorter than the box with cardboard, hollow it out to make water ripples (fish are caught from water ripples), stick water plants and bubbles on it, put it at the bottom of the box, and put a small fish with paper clips and numbers in the middle; Take another straw and tie a magnet to one end to make a fishing rod; There is a small box at the bottom of the box with a replaceable digital card in it.

Five, toy games:

1. Drag the fishing rod in the box along the direction of the water ripple, catch the small fish and put it in the small box around, and understand that the fish can catch through the cardboard and understand the penetrability of the magnet.

2. Stick a number on the small box around the bottom of the box. After the children catch the fish, they combine the numbers on the fish and put them in a small box with numbers on it. For example, if fish have the numbers 1 and 7, put them in a small box with the number 8 attached.