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学习目标:1、认识罗马数字的表达方式,探究罗马数字的组合规律。2、利用手中的火柴棒,创造性的设计出自己喜欢的作品。3、动手操作过程中提高学习数学的兴趣和创造性思维的能力。学习工具和教具:l、火柴棒和长方形纸板。2、教师准备:磁力小棒和课件。学习形式:每3人为一组,构建与研讨。活动过程:一、谜语引入:四四方方一座城,里面住着火头兵。柴灶窝里住,一擦就冒红。(谜底:火柴)二、玩中激趣
Learning Objectives: 1, to understand the Roman numerals, the way to explore the combination of Roman numerals. 2, using the hands of the match stick, creative design your favorite works. 3, hands-on operation to improve the interest in learning mathematics and creative thinking ability. Learning tools and aids: l, match sticks and rectangular cardboard. 2, teacher preparation: magnetic stick and courseware. Learning Form: Every 3 people as a group, construction and discussion. Activity process: First, the introduction of riddles: square a city, which lives in the vanguard. Diesel nest live in a rub on the red. (Answer: matches) Second, playing in the excitement