A | The second trial in connection with the death of 23-year-old Elijah McClain following an altercation with Aurora, Colorado, police began Tuesday.Nathan Woodyard was the first police officer on the scene in August 2019 and he put McClain in a carotid hold. He has pleaded not guilty to the charges of manslaughter and criminally negligent homicide.Woodyard's legal representatives declined to comment on the case.In opening arguments, Assistant Attorney General Ann Joyce argued that Woodyard's actions on Aug. 24, 2019, led to McClain's death and were not aligned with his police training, according to ABC affiliate Denver7.McClain told officers during their encounter that he was having trouble breathing and he later choked on his own vomit while he was restrained, the previous trial revealed."This trial is about the defendant and his teammates doing nothing to help Elijah McClain. This trial is about their continued callousness and indifference to Mr. McClain's suffering," she said.Attorney Megan Magdalena Downing, who represents Woodyard, argued that the ketamine that was administered by the EMTs that night was responsible for McClain's death, according to Denver7."Let me be clear — someone is guilty," Downing said. "They're not here. It's not Nathan."McClain was stopped by police on his way home from a convenience store in August 2019. A passerby called 911 to report McClain as acting "sketchy" with a ski mask on; however, the caller said there was no weapon and that no one was in danger at the time.McClain was wearing a ski mask at the time because, according to his family, he had anemia, a blood condition that can make people feel cold more easily.When officers arrived on the scene, they told McClain they had a right to stop him because he was "being suspicious."In police body camera footage, McClain can be heard telling police he was going home and that, "I have a right to go where I am going."Woodyard placed McClain in a carotid hold and he and the other two officers at the scene moved McClain by force to the grass and restrained him.McClain can be heard pleading with officers in police body camera footage, saying he can't breathe correctly."I'm so sorry. I have no gun, I don't do that stuff. I don't do fighting. Why are you taking me?" McClain can be heard saying in body camera footage."I can't breathe," McClain said, according to the body camera footage. He echoed these words several times.When EMTs arrived at the scene, McClain was given a shot of 500 milligrams of ketamine for "rapid tranquilization in order to minimize time struggling," according to department policy, and was loaded into an ambulance where he had a heart attack, according to investigators.McClain was declared brain-dead days later and died on Aug. 30, 2019.McClain's cause of death, which was previously listed as "undetermined," was listed in an amended autopsy report as "complications of ketamine administration following forcible restraint." The manner of death remained listed as "undetermined" as it was in the initial report.In the first trial in connection with McClain's death, officer Randy Roedema was found guilty of criminally negligent homicide and assault in the third degree last week.Another officer, Jason Rosenblatt, was found not guilty on charges of reckless manslaughter, assault in the second degree, and criminally negligent homicide.McClain's mother, Sheneen McClain, walked out of the courtroom with a raised fist after the split verdict and said she was not satisfied with the outcome."America needs to start telling the truth about its history and changing the way it treats all the people that pay into its systems of control," she said in a statement to ABC News on Friday. "Don't say sorry to me for humans that fail even their own kind. My soul still cries out for divine justice for my son Elijah McClain."。 海淀区中关村第一小学西二旗分校 与怀柔区长哨营满族乡中心小学 手拉手数学学科“同课异构”活动 “同”聚智慧 “异”起成长 在教育均衡发展与协同共进理念的引领下，北京市积极开展手拉手学校项目，旨在促进不同区域学校间的资源共享与交流合作，为广大师生搭建更为广阔的学习与成长平台。 “水本无华，相荡乃成涟漪；石本无火，相击而发灵光。”2024 年 12 月 13 日，中关村第一小学西二旗分校与怀柔区长哨营满族乡中心小学，在这一富有意义的项目推动下，携手开展了一场别开生面的数学教学交流活动。 中关村第一小学西二旗分校的孔京京老师，与怀柔区长哨营满族乡中心小学的彭晓利老师，共同讲授一节数学课。北京教育科学研究院特级教师郭立军老师现场指导。
B | PART 01 孔京京老师聚焦一个单元所承载的核心素养整体设计，进阶式引导学生深入认识小数。
C | 在教学中，她既紧密结合生活实际中小数的应用，也注重数学史中小数的发展，让学生在广博的时空中认识小数的由来以及小数的实际价值。最后，学生尝试用小数表示自己的身高、食品的价签，灵活迁移、思维敏捷，既有独立思考，又有智慧碰撞。
D | 孔老师注重教学内容与生活实际的紧密关联性，巧妙地引入生活场景中小数的广泛应用实例，让学生深切体会到小数在日常生活中的无处不在与实际价值。 PART 02 彭晓利老师在教学过程中展现出卓越的引导能力，其教学风格亲和且极具感染力，能够循循善诱、娓娓道来。在课程开启之前，借助精心设计的微课，引导学生预先对所学内容有所涉猎与思考，为课堂学习奠定良好基础。 课堂之上，彭老师以学生的发现与疑问作为切入点，巧妙地逐步梳理出学习小数所应具备的思维架构；将零散的知识点进行系统整合，转化为具有逻辑性与关联性的结构性知识体系，助力学生构建清晰的认知地图，而这一认知地图也成为学生在后续学习中实现知识迁移与灵活运用的有力工具，极大地提升了学生的学习效能与知识内化水平。 PART 03 郭立军老师对两位教师的课表示了赞扬与肯定，她指出了两位教师的相同点：都采用了至少两种数学模型助力学生打开对小数认识的大门；不同之处在于两位老师分别采用了顺向和逆向的思维活动帮助学生认识小数的意义，感受小数与实际生活的密切联系。 最后，郭立军老师分别从水平数学化和垂直数学化介绍了学生的思维层级，鼓励老师们从宏观结构来理解认识每个知识点，以撬动孩子们的生长点。
E | PART 04 本次“同课异构”评价研讨会，不仅是一次教学艺术的精彩展示，更是一场教育理念的深刻碰撞。
F | 两位教师为我们生动诠释了“同课异构、同标异思”的深刻内涵。
G | 这样的教学形式，不仅是教师们打开思路、发挥教学创意、彰显个性魅力的有效途径，更是我们探索新课程标准下高效课堂教学模式、提升教学质量、优化课堂结构、打造品质课堂的一次宝贵尝试。 教学是发现、是分享、是成长。通过两位老师的精彩演绎和专家的深刻点评，在场的每位老师都体会到“同课异构”的魅力所在——在异构中比较，在比较中反思，在反思中提高。这种方式有效助推了教师的专业成长，促进了我校教研水平的提升，为各自的教学注入新的活力。 今天的“同课异构” 只是一个美好的开始， 它将成为我们不断探索、勇于创新、 持续进步的起点。 – END – 文字丨王雨 编辑丨新闻宣传中心 审核丨高菲菲 校对丨郭琪琪。
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