Material preparation: Tangram.
1, put the green triangle and the yellow triangle next to each other, with the lower ends together.
2. On the left of the green triangle, put the blue triangle beside it, and the right angle is on the right.
3. Put a square next to the green triangle.
4. Under the square, put a small blue triangle next to it, and the two ends on the left are together.
5. Under the small blue triangle, put the parallelograms next to each other and connect the left ends together.
6. Under the parallelogram, put a yellow triangle next to it, and the two ends are together, so that the big axe comes out.
Introduction and benefits of jigsaw puzzles;
1 and Introduction to Tangram:
Tangram, also known as Tangram and Wisdom Board, is an intellectual toy circulated among the people in China. It evolved from the banquet in the Song Dynasty, initially as an indoor game for literati, and later evolved into a folk jigsaw puzzle. According to Lu Yiqing's Miscellaneous Knowledge of Cold Land in Qing Dynasty, there are several pictures of Song and Huang banquets, which are divided into twenty-five styles and sixty-eight styles.
Several pictures of butterflies are very clear, but the system has been modified, and triangles are staggered into hooks, such as butterfly wings. Its formula three, its system six, its dozens of three, its variant, where more than one hundred. Recently, there are seven clever diagrams, the formula is five, the number is seven, and there are more than a thousand kinds of changes. Things are small in shape, changing at will, and full of games, which are enough to relieve boredom and break the silence, so secular people like them.
2. Benefits:
Tangram is a good partner to inspire children's intelligence, both ancient and modern. It can connect children with objects and forms, and has great development space for cultivating children's observation, imagination, morphological analysis and creative logic.
It is widely used to help children learn basic logical relations and mathematical concepts. It can help children understand the meaning of various geometric figures, numbers, perimeters and areas, and understand Pythagorean theorem. Tangram can also teach children to recognize colors and guide them to understand the division and synthesis of graphics, thus enhancing their hand intelligence, patience and observation.
It can also be used to tell stories, connecting dozens of puzzle pictures into a coherent picture, and then telling stories to children like cartoons.