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Multiplying three digit decimals

Added Oct 25, 2013 •

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This video will show you step by step how to multiply three digit decimals

Show Transcript

hey guys this is going to be a quick video on multiplying decimals when you think about multiplying decimals does this make you want to Run for the fences when you see three point 15 * 29.5 does it make you confident like Arnold corn braids for breakfast Postal Service can you ask me that question cuz we're going to go ahead and salted right now  let's go ahead and multiply these three numbers by 5 so 5 * 5 gives us 25 1 * 5 is 5 + 2 the seven 3 * 5 gives us V so there we have our first row Next Step well where are you done * 5 next you multiply the top three digits by the nine but see how we Mark that we crossed add 5 well we have a space below it since we have a space below it we got to bring a zero  NR forget Stitch it is going to be right there so let's go ahead and begin what is the product of 5 and 9  40 facts on 9 1 * 9 is 9 + 4 gives us 13 carry the one 3 * 9 gives us 27 + 128 where is our second row in the monkey Hyster looks confused so we're going to go ahead and cross out goodnight if you notice we're going to have two extra zeros because we're not multiplying by the 5 or the night anymore we got a zero there and another zero right there and then your last we're going to multiply the three digits by hour number  Salmiya 5 * 2 is 10  want to * 1 is 2 1 is 3 and 3 the product of 3 and 2 6 sorry we're almost there guys just going to go an app that poor monkey + 5 + 0 + 0 + 5  7 + 5 is what 5 + 3/8 + 1/9 nextro I'll call my name + 8 is 9 9 + 3 12 + 6 + 2 + 1 all right but you know what we are not done yet there is one more step we need to do and I want to get my highlighter hopefully it's not too dark so that we can all see get this one it's kind of like okay The Next Step you need to do is uni to highlight and I need you guys to use highlighters today you going to highlight your digits behind the decimal there's one right there there's another one right there so I have to  on top and I have a third one down there  so what's plus one how many decimal places will be move in  hopefully you said there were going to move it 3 * 50 + 1 so we end up moving it to the last number you start at the right and you're going to slide it one two three so then your answer comes out to  92 and 925 thousands it's that simple guys  okay guys so if we do this learn how to multiply decimals you realize how easy it is this will make you really really happy go ahead go ahead and laugh  play 10 help yourself happy hey yo every life we have some trouble when were you made be happy and multiply

Uploaded by Jorge Zuniga.

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Multiplying three digit decimals

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