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教学目标:1.认识简单的罗马数字,理解罗马数字的组合规律,了解数字的发展历程。2.经历用火柴拼摆罗马数字、解火柴谜题等活动的过程,进一步提高动手能力。3.提高学习数学的兴趣和探究的欲望。教学重难点:认识罗马数字、探寻罗马数字的组合规律、创作简单的罗马数字、解火柴谜题。教具与学具:火柴棒、磁力小棒和课件。教学过程:一、创设情境,导入新课:师:今天老师带来几幅图片,一起来欣赏一下。
Teaching Objectives: 1. To understand the simple Roman numerals, understand the law of the combination of Roman numerals, understand the digital development process. 2. Experiencing the process of arranging roman numerals with matchsticks, solving the puzzle and other activities, and further improving the practical ability. 3. To improve the interest in learning mathematics and the desire to explore. Teaching heavy and difficult: understanding of Roman numerals, the combination of Roman numerals to explore the law, the creation of simple Roman numerals, solve the puzzle of puzzles. Teaching aids and learning: matchstick, magnetic stick and courseware. Teaching process: First, create the situation, into the new lesson: Teacher: Today, the teacher brought a few pictures, together to enjoy it.