Introduction to Square Roots

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  1. Eddie Woo
  2. math
  3. maths
  4. mathematics
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Комментарии
Автор

10 😂😂 I'm so happy you turned that silly answer into a positive learning experience. I could tell whoever said it was embarrassed right when the answer left their mouth.

GarciaLCc
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Wow, you're such an amazing teacher. Basically any other teacher would have in some way punished that mistake of the student, where she said that 5² is 10, but you just handled it so well by explaining the whole class, what she did wrong so everybody could learn from it. We need more teachers like you.

zayne
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You really are a greater teacher. Introducing a new concept and using the answer "10" the student gave to illustrate a common misstep is calculating powers that someone could have was flawlessly executed. I'm sure those issues and misunderstandings come up with multiplying powers by powers where the base is the same (e.g. 5^2 × 5^3) and then also raising powers by another exponent (e.g. (5^)^2). I appreciate how you don't brush off those mistakes/misunderstandings and use them as a great teaching/learning opportunity.

MrSF
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Can you do a video about square and triangular numbers?

dannguyen
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Hye sir why square is never negative and why we write square root+-0 e.g.square root of 25 is + or - 5?

rameshjain
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We assume that (-5)^2=25 and 5^2=25 then (-5)^2=5^2.
then if we enter the square root in both sides we get : sqrt((-5)^2)=sqrt(5^2).
if sqrt(x)=x^(1/2)
then ((-5)^2)^(1/2)=(5^2)^(1/2)
(-5)^(2/2)=5^(2/2)
so -5=5.
How do you explain that?

el-mehdibenchaib