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1/11 Math Lesson

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come on last week we did adding with regrouping and not means that when you have more than 10 ones in the ones place right you have to regroup it and exchange those 10 ones for a ten Rod right and we brought the 10 over into the 10th is everybody with me and remember this correct today we are going to be doing that same thing with subtraction okay so instead of giving the ones to the tens place we're going to be taking the tens and going into the ones place okay let's just get started but that is what we're working on we're going to be subtracting with regrouping okay I will show you what it looks like but are I can statement is I can subtract 2 digit numbers with regrouping all right start as usual heaven need you guys back oh I see you heaven I'm sorry I didn't see your head are there are you there right very blurry it's just that I cracked my phone and now my now Glory that makes sense on your way for it's okay if you don't have your wife or try and do it in your head mentally okay do 54 - 4 do 5410 K think about what place is changing put it in your head right on your boards and hold them up 44 we are taking away we're taking away one rod rights o r v a 4-door answer is 40 because our one place is going to stay the same move to the next 638 - 100 600 8 - Miss McDonald I didn't get my markers okay if I go and get it quickly khari would you get is your answer then Mina make sure you write -1 hundredths okay not one the car you have an answer not 500 keep your tendons in your ones the same right we're going from having 600 to 500 K not extracting tender wants the next one 420 - 10 400 minus 20 months what did you get 440 how did you get to 448 sweetie how did you get 448 28th how do you get 28 what do you mean 420 - 10 not 412 we're taking guide for taking away 1/10 do you have to attend rods and you take one of them away you have 400 okay heaven 511 + 100 meaning you're going to do this one for us what is 511 + 100 show me how are you Action Towing from blocks hundreds and you get for 11 everyday I feel like we're getting better and better with you so that's really good all right let's move on what's the three of you really quickly because you guys should have this down well it this week Needtobreathe members have in the ones place Worthen 9 tens in the tens place along in a place value do you want me to buy 5 + 7 1 equals 1 write 12 in the ones place we need to recruit 1 2 3 4 5 6 7 10 ghosts bring it over into the tens place because we're going to exchange them for a 10 rot Dover then you are going to add up all of your ten Rod so you have 1 + 4 + 3 you would get ready to come out that you remember that right that's what you did all last week is practicing okay now what we're going to do who is we are going to check in with Moby and Annie and they are going to teach us a little bit about subtraction doing lots and lots of practice today very close attention to this Cala do me a favor and give me a call if you hear the volume on it okay you cannot hear it says try to get system audio why try it again what's up I'm going to be playing sound Kirby theme song must be something at your house Nono Islands Five Points how many points do I have I have 14 points but I lose 5 subtract the numbers in the ones place first subtract 4 - 5/10 subtract a larger number from a smaller number how do you regroup with subtraction when you regroup 10 ones cubes and trade them for a TENS Rod you can also take a TENS rod and trade it for 10 ones cubes you can borrow a 10 from the tens place and turn it into 10 and 1 why do we have 14 ones and we can subtract 5 ones and we're left with nine ones so 14 - 5 equal to 9 soccer team has 45 raffle tickets to sell they sold eight so far how many do they have left to sell subtract 45 - 8 to find the answer to subtract the ones place first it's not possible to take it away from 5 so we have to regroup we can borrow one and turn it into 10 ones now we have 15 ones and we can subtract 8 ones equal to 7 now subtract the number is in the tens place we had for 10 but we regrouped 110 so there are three tents 45 - 8 is equal to 37 storm has 62 robot toys dead cells nine of them how many are left subtract to solve subtract the ones place first got a 110 and regroup it into 10 ones now subtract the ones place what is 12 - 9 Nerf attract the tens place we had six tens but we regrouped 110 Soldier 62 - 9 is equal to 53 she won't have counters to help you regroup how do you regroup with subtraction without counters Grandpa Pig 24 cookies Moby 7 cookies how many are left subtract 24 - 7 to solve since you have to borrow a 10 cross out the tens place and subtract 11010 recruit and add to the ones place what is 14 - 771 subtract the tens place 1 - 0 is equal to 1 so 24 MI 7 is equal to 17 When You Subtract without counters it's easier to write the sentence up and down but always make sure you line up the places correctly subtract the numbers in the ones place since you have to borrow a 10 cross out the tens place and subtract 110 - 10 regroup to the ones play what is 11 - 6 V now subtract the tens place - 0 is equal to 8 so 91 - 6 is equal to 80 you can use addition to check your answer 85 + 691 I know my answer is correct because the numbers match up it's always a good idea to check your work you want fewer points than me wait a minute that's that wasn't there before all right hopefully that gave you a good beginning start to understanding subtraction with regrouping to cry okay venues to remember or subtracting you always always always start in your ones place right now when you have this math problem is 4226 if you just look here in your ones place it says to 1 - 6 so if you have two ones there can you you take six of them away is that possible no okay I cannot hear my two ones how am I going to be able to cross out if I only have two there you can't it's not possible okay so what we need to do is you have to take the tens I want to hear ten rod and you're going to break it up and put it into the ones place so now I have 12 price because the 10 plus the two is 12 yes you guys with me so far do I have six ones here now that I can cross out yes okay 1 2 3 4 5 6 how many would be left 1 2 3 4 5 6 12 - equals 6 do you see how we did that okay we took some of the ten Rod out of the tens place and we moved it over to once before when you add you take your ones and you turn them into a 10 Rock right but now because we don't have enough ones to subtract we have to take those 10 from Jack to the ones place okay so it's just the opposite of what you did then you have to make sure that you take away that ten Rod because now it's over in the ones place cross out the 10 and you turn it into 310 rods and your ones is now 12 the after you finish your subtracting of the ones and you're going to go to the tens place and finished attracting that's 3 - 2 K need you to realize here. our number is not changing okay none of my numbers changed I stuck with a total of 4210 rods everyone sees that yes that means I just need to be on the board on the screen okay still had 42 to start that's my total right that's what you start with in subtraction your total is on the top part of it is what we're taking away okay so I started with 42 okay and then blue zip ten Rod just got moved over my number did not change I did not add in another ten Rod I moved it that's totally okay you just can't add more than you have okay now I have a little I'm here to help you remember and to know when you should regroup and when you don't need to okay and I definitely said it before so hopefully you are going to be late never miss me Jonathan that okay but I want you to get this in your head keep this in your head forever okay because it's going to be very very helpful right now we're only doing ones and tens but guess what is going to get harder 100 and then eventually going to be doing in the thousands next year for subtraction is going to help you okay so like I said over and over and over and over never again in the ones place okay so we have up here in the purple I'm circling look at what's in the yellow right in the ones place we have 7 - 4 okay so inside the ones place when you look at it I want you to say more on top no need to stop so basically where's the bigger number if it's on the top which it is 4 can you take 4 away from 7 yes okay if you have 7 counters in front of you you can take away four of them can you get three left right so first part of my poem is more on top no need to stop so if there's more on top like there is here 7 minus 4 equals 3 I don't need to stop I don't have to regroup I can do that okay how are look at the next one okay I'm going to ride it over here just so you see it without lines through it we have three look at your ones place we have 3 - 8 so is more on top in this one nope more on top are bigger number is on the bottom okay is bigger than three so we have more on the floor go next door and get ten more okay did everybody hear that everyone understands that okay we're just looking at the digits in the ones not the entire math problem book a bigger number where on the floor go next door and get 10 more so next door to the ones place is the tens place right everybody with me Makari with me by the understand what that what I'm saying here okay do you have to go to the tens place you have five ten rods here okay you're here I'm drawing it out I'm going to take one of those 10 rods to the ones place okay Khaled with me so now I have this 10 + 2/3 so I have 13 months now more is on top there's no need to stop cuz 13 is my bigger number 8 is a smaller number so 13 - 8 gives you 5 okay and now we took one of these ten rods away see you at the cross it out and make it for because you have four ten rods left cuz remember you gave one away to the ones play to make it so that you could subtract okay haven't you sticking with me here can you fix your camera so I can see your face please does every single day thank you 4 - 0 right cuz it has zero 10 so it's just 4 - 0 and you're left with four okay 53 - 8 equals 45 in the last part of my poem is just a little something extra but numbers the same zero the game okay that just means that one your numbers in the ones place like you see here 37 - 7 okay I have a 7 in the ones place right I want to see that those numbers are the same so the answer is 0 k 7 - 7 Khalid 0 you have 7 you take 7 away you left with none 3 - 20 10th aves you 3 how do you guys feel about this do you are you like boom is McDonough I'm very lost I have no idea what you're talking about right now or are you kind of like okay I mean I'm ready Tiana McCrory mr. helicopter man over there with your headphones you good sure how you feel about this bud I can't see I can't see it's too blurry feeling good you're going to feel better I promise the more practice we do the better off we're going to be okay and every time we do one of these problems with subtraction you are going you hear me say this poem okay so it will be in your head whether you want it to be or not you're going to get real sick of me saying this Khaled wake up come out Best Buy human story what's up Cali can I cast black water in my face you need to go to bed earlier all right here we go alright you ready please please please just watch memorizing steps we have seven 3 - 48 okay so as always we are going to start in the ones place okay so here we go we have three- here's my poem more on top no need to stop more on the floor go next door and get 10 more okay so do we have on the top no Khaled okay you have three on the top 8 on the floor 8 is bigger correct do you see how late is the bigger number okay so is is on the floor if my bigger number is on the floor go next door and get 10 more okay okay I have 3 ones right now cuz I'm starting with 73 guess what that is not enough to take wait I can only take 3 so what we're going to do is we're going to take this ten ride right here and I'm turning it into one okay so now I'm taking away one of the ten rod and giving it to my ones place so I have six and now I have a 3 + 10 ones so that's teen once does everybody see that okay I'm taking away a ten rod and moving it to the ones place the number is still the same still have 70 3 total okay everyone agree with that 20 30 40 50 60 70 71 72 73 still high 73k just kind of rearranging things here so we can subtract okay now that I have 13 ones can I subtract yes okay I can subtract now so I'm going to in my red going to subtract my 811 3 4 5 6 7 8 how many is left here in the red circle I have five left because 13 - 8 equals 5 okay meaning you with me now that I can talk to my once I'm going to go to the tens place and I'm going to take my 610 rods that I have now and I'm subtracting for 1 2 3 4 left 73 - 48 equals 25 okay I want to see that all right let's try another one oops okay here we go we have 51 - 17 okay so Isaiah help me here ready I mean yourself keto you going to help me all right so where do I stay can you start in the ones place so my poem is more on the top no need to stop do I have to stop or can I just keep going give me one second you should shouldn't I mean you should stop I should stop because where's the bigger number on the floor where are the forks go next door and get so I'm going to take my 510 to do what with it going to get your five tens and Toyota RAV4 so I need the poem says I need to go next 10 more right so I'm going to take one of these ten rods is it going to turn it into 10 ones all right take your 5 straws and now you have because we took this other Penrod okay and we turned it into one what the what already there would give us 11 Sprite Isaiah CS yes yeah so that's what I want you to do right now get me an answer we did the work together try and come up with the answer to this problem okay 4 for the ones place no no it's crazy so whenever I go to profile going to email instructions 15 minutes how do you spell sorry buddy you got an answer good work 11 - 7 would get we crossed out of 34 because 4 tens minus the 110 is 312 oops take away 1/10 that's how you get 30 write 3 tens and then you have 3 and that one over there how did you guys do sorry I had a teacher come in and ask me a question so I had to go and help her real quick car are you going to help me through when you ready don't freak out my help you through it that's face okay Civic re help me out here tell me what I'm going to start with yes I meet you self care Hero 3 the race what three is it 3 in the tens place restart in the tens place ever Define okay so we're going to look at the ones place 5 - 9 Okay so remember the poem more more on the floor go next door get 10 more so mercari is there more on top or more on the floor you made it yourself again on the floor number right you cannot take nine ones away from 5 it's not possible you only have five ones here you can't subdue how are you going to cross out 9 of those five can't okay so what we're going to do is what if I have more on the floor Cory what do I do Citra no more on the floor go next door get 10 more car is gone what do I do out the fine right and do what with it and then after that make it until 11:15 you're something else I have to do you you have to do you crossed out the pictures you got to cross out the 9 to you can only work from your total Heaven okay so you have three tents this is where you go next door and get 10 more okay we're going to take away one of those ten Rod so now I'm going to have to 10 and I'm going to subtract the nine from 15 right here is your 110 and here is your father once so now Heaven Makari I can subtract 9 ones from those 15 you see that so how did that was really really great how you were able to tell me to turn the 5 ones into 15 want but you have to remember where those other 10 ones are, so don't forget to go next door and get 10 more okay now I'm going to subtract 9 1 2 3 4 5 six seven eight nine and how many do I have left one two three four five six because 15 - 9 okay it's fashion guys very closely to how I'm doing this because this is a worksheet you're going to have it exactly the same problems on your worksheet to do so I want to see it just like we're doing remember how we circled the 10 ones when we were adding okay now you're going to be circling your 10 ones with the other one and then I can take my 2 tens and subtract 1 and I am left with 110 Rod left over so my answer is 60 all right let's try another one okay we have 44 26 I mean I know you want to give this one a try with me Amina near me going to give us a try okay I meet South Street keep yourself on me. You're going to help me through it make sure you talk nice and Loud for me okay alright where do I start always play so I have 4 - 6 can I do that where is there more is there more on top no need to stop or more on the floor go next get 10 more where is the bigger digit is it on or is it on the bottom so there's more on the floor so I need 2 go next door and get more because you cannot take 6 away from 4 do you have with me Jimena you see that it's not possible I can't cross out six ones when I only have four okay so what we're going to do and we're going to go next door 10 more I'm going to put my stuff around my other I don't expect you to draw me 10 ones every time you do this what I do want to see heaven make sure you're paying attention Isaiah but pay attention cuz if you don't I'm going to make you do it again okay I do want to see you soon the ten rod with your once okay just to show me that you know you took that ten rod and you moved it to the ones place okay and then I can I'm going to cross out my for cuz I don't have four anymore I have 14 right and I no longer have for ten rods I have three 10 rods okay now I can do my subtraction I can do 14 - 6 1 2 3 4 how many is left over 1 2 3 4 5 6 7 8 14 - 6 equals 8 then we finish our 1/3 - 2 notice how the bigger number still on top 3 is bigger than 2/3 is on top so there's no need to stop 3 - 21 ten Rod left answer is 18 show me how you're feeling about this give me a thumbs up if you're like I'm getting it I can do it on my own I am so so so this is a this is hard to and even in person but it's even trickier when I'm not able to sit with you and have you in front of me so it seems like you guys are doing a pretty good start pretty good I'm considering that you just learned it today so we're going to do one more example together okay I want you to take out your whiteboards and markers right Cheyenne see if you can do this with me okay make sure you have your wands in your tens on top of each other the right way and say that poem to yourself do I have more on top or more on the floor Khalid do I have more on top or more on the floor Member One Click to unmute so okay equator twice you have yourself one click bud more on the top add more on the tops in the ones place remember you just looking at the ones place the bottom bottom so I have more on the floor so what do I do you subtract can I subtract the three to get to three trying to tell you not to do but look you have three ones here can you take away 6 no no man can you see me on the bottom of your screen I have three you can't put down six fingers it's not possible you can only put down one two or three more on the floor go next door get 10 more because you don't have enough ones to take away 6 okay we're going to go take away and added into the ones so Khaled how many ones do I I just attend away right I don't just took attend rod and put it into the ones place so how many do I have now in the purple circle how much is in a purple circles 13 and now Ocala do I have enough to subtract 6 yes ma'am okay cuz I have more on top right more on top no need to stop crossout 456 how much is left once you 3/4 by 7 leftover because 13 - 6 equals 7 now what do I do 910 what to do when you finished in the one he go to the tenths place can I do for -3 yes ma'am types of where do I get what's 4 - 3 104 ten Rod taking three of them right left with one left over I need you any seat not playing with your phone please all right I want to show you how it would look where it could walk if you were doing this without base ten blocks okay so this one look at your ones place thanks for looking at your one place you have four and four more on top no need to stop more on the floor go next door and get 10 more can I do this listen to Dynamite vinyls down so you haven't been listening or paying attention to I just stopped and I was paying attention it was just what you look like when you're shopping at him Muse talking something happen put on my pickles down I was just and listen I was going to say you can't but you know what you look like US versus them cuz you can't write take away the 4th at the bottom do I need to go next door and borrow yeah nope no listen look at me down here okay like where you see my face okay if I have four can't I take away four if I gave you four pieces of candy right and I said Oh Heaven you were real really good today and I gave you four pieces of candy right and then you ended up getting in trouble so I said all you know what happened you got to give me back for can you give me four you have four right so you can take remember the last part of my poem numbers the same Zero's the game 4 - 4 have to borrow here you do not have to make a 10 take a 10 you can take for -4 if you have poor ones 1234 guess what I can crawl that four of them and take them away how many do I have left a row you can have zero once that's okay all right then you just do normal subtraction 4 - 1 equals 3 that makes sense so when numbers the same zeros a game that's totally fine more on top no need to stop more on the floor go next door all right take out the white boys I want to see what you can do in this problem and then I'm going we are independent practice to do if you need to use your paper and pencil to do your independent works at your base ten blocks go for it okay there's no need to trying to rush this guy I told you it was a little complicated you guys are doing a great job with me get it so I want you to do 56 - 38 okay 56 - 38 think about do I have more on top no need to stop or do I have more on the floor and I have to go next door and get 10 more okay put it on your whiteboards and get ready to show me I'm going to run to the bathroom really fast and then when I come back I want to see what you got okay let's see what you can do 5 3 to 3 4 5 6 7 1 2 3 4 5 6 1 2 3 4 more on the floor go next door listen. I forgot it at home okay so try and do it on a piece of paper little book bags just let me get her tonight kind of not really Abby's favorite loser where's the math problem how do you have an arrow under 5 everyone put your eyes the screen the show you on my way poured what your whiteboard should look like the same way that we did the addition to the subtraction. Is what board should be looking like okay what was the problem 56 - 38 yes 56 - 30 Makari see my board I don't know why you're not sitting up your board like a subtraction problem that you have to have mine you need to do 56 okay - 38 is it coming through you see it or no words having to Candice you need to have your 56 on the top -38 underneath it okay Makari make sure that you're 6 and 8 remind up with each other processing is so slow just make sure your 6 and 8 are on top of each other right because those are your ones and then you need to make sure that 5 and 3 on top of each other because of those are your so now Makari we need to look at our ones I just want to pay attention to the -8 this is so slow you want to do the 6 - 8 okay 8 is the bigger number right so that means that there's more on the floor okay is 8 is bigger than 6 so because is on the floor we need to go next door and get 10 more cross out of tens right I hope you're still watching but even though you don't have a board I need you to remember that tomorrow that's really important or notebook something and now I have for 10 I took the test and I'm giving them to the six so now I have a 18 once 16 - 8/8 4 - 3 is 1 anybody 18 is our answer Evan YouTube wow Alright good job are we good McCrory do you understand what I want you to do now okay just make sure that you put your answer underneath ran out of space all right I'm going to tell you what I want you to do now for your independent work okay going it's to be in your team's notebook but this is what it looks like it's in math okay I did the first one for you so you can exactly what I want okay it's number eight 1/11 because today is January 11th okay I did first one for you because I want you to do it exactly like this 3 - 35 you there's more on the floor so that means I need to go next door and get 10 more okay so that is why I circled this ten rod with my 317 I hope you are paying attention do I need to talk to Mom cuz I have a feeling that you are looking down at your phone and not paying attention fix it please I need to take my 10 and circlet with the three ones to show that I took away this ten rod and I gave it to the one 2 subtract okay that's why it's circled so I'm just subtract 13 - 5 and you get 8 if you want to cross out the one chip count and mop. okay but this is definitely what I want to see on everybody's page if you need to do more that's fine but I definitely want to see a circle around your tongue that you're giving to the ones and I want to see these numbers crossed out on top so I know that you know what you're doing because if I just see an answer capiche give me a head nod something people then you subtract your once okay so this is what I want you to do there's not very many of you in here I don't even know if your team is here or not but I'm sorry you guys have time now to start working on get help from me if you need it okay so if you are stuck unmute yourself and tell me okay and then can work on it get to work Heaven I want to see you starting like in the next five minutes I better see something on that worksheet my dear for some reason you lied to like disappear start teaching after I'm done teaching and you don't get your math done when I'm on the camera with you get your work done I want to see it started so

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1/11 Math Lesson

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