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Lesson 6: Regrouping decimals

Decimal place value with regrouping

Sal discusses decimal numbers that are greater than 1.

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• let's say i have \$1.00 and 6 dimes 34 pennies and 1 quarter how much money do i have? write your anser as a fraction and a decimal write the total after your done
• You have a very concerned cashier; I would hate to count out 34 pennies for any reason. Your change is \$2.19/1, sir. Have a nice day.
• so it would be 2.06
• If you are referring to in the video when he starts talking about Option 1 - yes, you are absolutely correct that 2.06 is the decimal representation of 2 ones and 6 hundredths!

The problem posed in the video is:
``How can 2.60 by written in words?``

Option 1 is the equivalent of 2 dollars + 6 pennies:
``2 ones and 6 hundredths = 2(1) + 6(¹/₁₀₀) = 2.06 ❌``

Option 2 is the equivalent of 260 pennies:
``260 hundredths = 260(¹/₁₀₀) = 2.60 ✅``

Option 3 is the equivalent of 260 dimes:
``Option 3: 260 tenths = 260(¹/₁₀) = 26 ❌``
• Hi everyone!!/ᐠ｡ꞈ｡ᐟ\
• Is there a such thing as trilloinths?
• yes 0.000000000001 that is a trillionth i think
• How do you know when it is multiple choices...
• Multiple choice questions have squares while only choice questions have circles for selection.

Hope this, helps.