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Storyboard Description

Square root and cube roots.

Storyboard Text

  • Sure I'll be glad to help little bro.
  • Hey sis i need help understanding square roots can you help me.
  • Every number has a square root but there sometimes not going to be a whole number.
  • So every number has a square root but there sometimes not going to be a whole number so it will be a decimal.
  • So now in your calculator put the square root of 49 tell my what would it be.
  • Ok i got it its going to be 7.
  • Now tell me why is square root of 49 is 7.
  • I think its 7 because if you multiply 7 twice you'll get 49 this is a perfect square.
  • If you want. but not always you can round the whole number and find the closest number.
  • Right but not all square roots are going to be whole number remember that. So now do get it.
  • Yes but i want to know about decimals so if you try to find the square root of 50 do you put the whole number dot then write the rest.
  • So now little bro you'll be able to pass the test!
  • Thanks sis I'll let you know if i passed.
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