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Lesson 2: Decimal fractions greater than 1

Writing decimals and fractions greater than 1 shown on grids

Sal writes decimal numbers and fractions greater than 1 shown on grids. Decimals are limited to tenths and hundredths.

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• i dont understand how it works im doing what your sayiong on my courses but it says wrong
• i don't know how to help u anyway u r older than me now so u probably know now because u posted this 2 3 years ago
• when do you know when you have 100 as your the bottom as a example 12/100 or 12/10 how do know which is which?
• If the "whole" is divided into 100 squares, then you have hundredths (/100 as the denominator, or the number on the bottom) - if the "whole" is divided into 10 bars, you have tenths (/10 as the denominator).
• don't understand how to do fractions and decimals with whole numbers and tenths like 19 tenths and 1 whole 🤷‍♀️😢😢😢😢😢😢😢😢😢😢😢😢🤷‍♀️
• There are 10 tenths in one whole, so 19 tenths and 1 whole can be rewritten was 29 tenths, which is 2.9, or 2 9/10
• i do not understand either (:.
• Would it still be correct if I did 2 7.4/10 for the mixed fraction or do I have to do 2 74/100
• While they are the same, the second is the accepted form of fractions, so always preferred.
• i do really understand this how can i understand it more im stuck
• Decimals are like counting down like 1,10,100 just in reverse it is the same thing. Here is some good edvice
• i saw a vid on youtube that said that, 92/1000 is 0.092. nut how if the first zero is in the ones place, and the second zero is in the tenths place, and the 9 is in the hundreths place, and the 2 is in the thousandths place. how does 9/100 and 2/1000 equal 92/1000. i thave it wrong but i don't understand.
• You need to understand the decimal place values.
If you have 0.123, then you have 1/10+2/100+3/1000. If you were to add these fractions by using a common denominator, you would have: 100/1000 + 20/1000 + 3/1000 = 123/1000

If you are given 92/1000, then you know your answer needs 3 decimal places since the denominator is 1000. So, what digit goes where.
92/1000 = 90/1000+2/1000 = 9/100 + 2/1000
The 90/1000 reduces to 9/100. So the 9 goes in the hundredths place (2nd decimal place) and the 2 goes in the 3rd decimal digit. Since, not digit was specified for the tenths place, it gets a 0 as a place holder.

Hope this helps.