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Pemdas 或 Bodmas - 指令操作

5 +4 x (7 -2 )/ 8 = ?當表達式有這麼多運算時,如何簡化?你從哪裡開始?讓 PEMDAS 或 BODMAS 透過正確排序操作來引導您找到答案。
Elizabeth Kretsch
平均評分:
5.0
評論數量:
(128)
明星教育家
班級

包含什麼

1 現場會議
50 分鐘 上課時間
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課堂經歷

Learners are introduced to PEMDAS or BODMAS as a tool to remember the order of operations. Together, numerous expressions  are evaluated using the rules with clear step by step explanations.  Learners are encouraged to participate and explain the rules they are using.  Next, learners use their PEMDAS tool to work as a group or in pairs with the activity sheet of expressions.  This activity requires the learner to break down the expressions into simple steps and communicate these steps.  At the end of each turn, the learners should arrived at the same number.  The lesson ends with a review to assess understanding.

This lesson uses slides for visual support and discussions.  No prior knowledge of the order of operations is needed. This course could also be used as a review.

學習目標

Learners can evaluate expressions with the correct order of operations.
學習目標

其他詳情

供應清單
Paper and pencil.
Please print the activity sheet for the lesson.  Activity worksheet will be posted in the classroom 24 hours before the class starts.
外部資源
學習者無需使用標準 Outschool 工具以外的任何應用程式或網站。
已加入 June, 2020
5.0
128評論
明星教育家
教師檔案
教師專業知識和證書
非美國 教學證書 在 數學
碩士 在 數學 從 University of North Carolina
碩士 在 中學教育 從 University of Leiden, NL
學士學位 在 數學 從 College of William and Mary
I am a passionate educator with a love for teaching and tutoring mathematics.  I am a certified secondary mathematics teacher who has guided learners from 10 to adults since 2012.  I specialize in helping learners overcome common stumbling blocks encountered in middle school and high school math.  I provide individual support through one-to-one tutoring sessions and offer weekly small group lessons covering core math subjects.

I have a bachelor’s degree in math and computer science and master’s degrees in operations research and secondary mathematics education.   This extensive background enables me to offer a comprehensive approach in my math lessons.  I have a passion for international education.  I have taught and tutored students from diverse cultural backgrounds in the Netherlands, England, the United States, and through online platforms worldwide.  I embrace the opportunity to incorporate the experiences of my learners into my math lessons, thus creating a globally enriched learning environment.  

In my classroom, I guide learners to become active participants and explore math concepts through investigations.  I encourage students to share their ideas during the lessons to build their mathematics skills, confidence and communication abilities.  When tackling math problems together, I encourage discussing strategies and alternative methods to develop critical analytical thinking.  This approach ensures that all learnings’ styles with the class are acknowledged and addressed. 

Teaching for me is similar to working on a complex puzzle.  With each question posed by a learner, I search to identify their knowledge gaps and connect the missing puzzle pieces.  I formulate clear explanations and guidance by asking probing questions that direct learners towards the solution.  I am committed to lifelong learning and continuously review and refine my teaching strategies based on student feedback and questions. 

I am excited to explore the world of mathematics with your learner.

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一次性直播課程
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US$12

每班
單堂課
50 分鐘

有18 位學習者完成此課程
即時視訊會議
年齡: 9-12
2-6 每班學員人數

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