Posted in: Schools

Maths – Fraction Division and Multiplication

Fraction Division Five approaches to make sense of Invert and Multiply Other references:  Noted-Understanding Division of Fractions- An Alternative View Making Sense of Invert and Multiply Why do we Invert and Multiply  Fraction Multiplication Note: Imagine multiplying a fraction by a whole number as adding the fraction to itself that many times.  Alternatively, imagine multiplying […]

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Maths – operation orders

Is the following calculation correct? If not, please correct it. Can you imagine why a person made this mistake? 7 – (5 – 2) = (5 -2) – 7 One possible reason for this mistake: The person remembers to do what is in parentheses first. So when being asked show your work, he put parentheses […]

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Maths – Numbers and Subtractions

Is the following calculation correct? If not, please correct it. Can you imagine why a person made this mistake? Two possible reasons for this mistake: The person confused numbers 24, 18, as 2, 4, 1, 8. Thus, he does not understand a number is composed of digits (from 0 to 9) and each digit’s place […]

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Cyberbully

7年级女儿的一个同学这学期选修了“新闻学”课。她选择了“网络欺凌-Cyberbully”这个题目,采访了我作为一个家长的看法。 下面是她的问题和我的回答。 Dear xxx,    I am happy and honored to have this chance to answer your questions. It gave me a chance to think about the cyberbullying as well. ​   Hope you are satisfied with my answers. If you want me to give more details for any question, please feel free to ask.  […]

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