Grade 3 - Reading multi-digit numbers – Khan Academy Centre d'aide

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Linda Menkis

28 octobre 2019 17:26

Hi there,

I was listening to the lesson on place value in Grade 3. The teacher read the four digit whole number, 5 thousand, 2 hundred and fifty six. And is only used when reading a number with decimal place values. The and is used to separate the whole numbers from the decimals.

I would really suggest changing this video so that the whole number is read correctly. That is a bad habit that I wouldn't want students to hear from an instructional video.

Thanks,

Linda

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Daniela

1 novembre 2019 22:23
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Hi Linda,

About your concerns with the decimal Place Value and the user of "and": I brought this up with our content team, and they explained that it might be helpful to clarify to your students that Sal does not say _hundredths_ at the end of 5,256 — which would indicate he is referring to a decimal, and not 5,256 as a whole number. The way he says "and" where he does is a fairly colloquial way of saying numbers, and it's a repeated theme in many of Sal's videos.

I hope this helps! Feel free to reach out to us or submit a new support ticket in case you need extra clarification.

Best regards,

Daniela
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Grade 3 - Reading multi-digit numbers

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