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2/4 Math Lesson

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234 up to four two digit numbers okay so Monday and Tuesday I told you one way to do it are you just add up all of your ones were all of the numbers and then yesterday I taught you how you can split it up into three separate problems and do it that way okay it does not matter which way you do it if it's easier for you to do two problems at a time like at 2 numbers at a time to do it that way if you like it better where it's all in one problem and do it that way it doesn't matter as long as you get there okay, call you have a question Isaiah I have a question ask my mom if I'm coming that would be great do you number one okay look and see what your pattern could be hey you start off at 2 in a blank then you go 2232 blank be ready for me to call you I'm giving you one minute to figure this out Garden answer what do you think the first problem is counting by twos not counting by twos I do make seen that way after 2 would be for right so we're not going to say to 422 that does make sense so what do you think what place is changing Khalid Supriya sashti genius the ones place to stay in the same ua222 0 tens in the number to what's my next number going to be it's going to be at 12 now I have 110 and we go to 2:10 so I can go to three times with my last number YouTube I know I saw it all right let's go to number two do numbers next to each other so you can see what that different is going to be okay so we're going together or 621 and 521 10K ask yourself are my numbers getting bigger or my numbers getting smaller or getting smaller you should be thinking subtraction if you're getting hired at it it would give you one minutes do that answer Amina be careful ask yourself are we going up or we going down if you start at 1421 I think you wrote your numbers backwards what number will Goldfarb to Mina what number goes first 421 1st buttercup look at it. rue21 721 621 521 you're going from a 4 in the hundreds place is 7 and 100 place on the 6th and the 5 and something and then it's 3 so that doesn't make much sense REITs doing for me what is it supposed to be the car make sure you stay muted in Silicon that's not quiet angel girl you want me to say yes ma'am I do what am I going 821 + 700 is 21 Credit Suisse 800-700-2110 you go to 621 us-521 what's next flying 100 - things are going down you're going for a 625 that's going down that means you're subtracting okay try the next one you have 109 this time I'd be a little bit tricky to take your time and think about it you have 199 text to 800-989-6959 again look at where you have your two numbers next to each other so you can figure out what the difference is so everybody and asking yourself are my numbers getting higher or they getting lower are you adding 10 or 100 Ori subtracting Center 100 it's going backwards confuses you start here and go that way you can do that to you can read the numbers backwards and say okay 5969 what comes next another strategy you can use if going backwards confuses you with these problems okay heaven out loud I'm so I will it's hard for me to do that so I just did what you said so I just took about like I said 59 and then 69 + 79 - 89 + day after that I have said 60 late you know how it is going back so I just in the after that I said you didn't start at 5 and at 9 so I just thought it was 49 49 would be over here what would come after 80 not you have eight tens and then you would go to 9/10 right 9 tens and the ones place stays the same remember think about it like this you have 10 9 8 7 6 5 remember I told you that if you took 99 and added 10 to it 9 + 0 is 9 9 + 1 it's 10 you get a hundred you guys can always let you guys know how to add and subtract these bigger numbers with regrouping you can always take those and actually add them up why your numbers up like I did right here is always always an option if you get stuck okay another thing that you can do like heaven did has she got going backwards in her counting especially starting at 109 so she went she started back at the 59 and went up to 100. Okay sometimes easier for our brains to understand because we normally see numbers from smallest to largest not largest to smallest okay okay whatever you need to do to figure it out go for it if you have to sit here and on your fingers do it until you can understand it and do it quickly and mentally in your head that way it's a beautiful answer as long as you get your answer so many different ways you can do things there's so many different ways that you can think about things you just have to figure out the puzzle so on this one I want you to show me two different ways that you could find this song okay I've now talk to you a few different ways and you can even do things that I didn't use your base ten blocks all those options are available I don't want you trying to be creative a little bit maybe get me a some which means I'm a 20 what's 43 + 57 Brian show me to wave going to give you several minutes to do this because it's going to take you some time okay but you end up with the same answer on some of the ways that you do it okay couple more minutes okay everyone should have different weights calculator is not one of them Amy and Hassler I know that this is probably very difficult all right mr. Isaiah can you give me one way that you solve this problem I use my best night FaceTime. yeah I find it up I lined it up and 7 + 3 + 7 + 17 so I have to put a 1 in the tens Blaze and then are you at recruits and is my cat I regret World Hyundai Olive group do you wind up your numbers and you added up all three at the same time 7 + 3 + 2 you on that one but being that I already started bring up my base ten blocks just going to continue with that so that way if somebody did do it this way you can see it okay so obviously yours 2743 beer once so you have 7 8 9 10 11 12 13 14 15 16 17 all right what does it mean when you have 17 once that's too many right so what do I need to do I'm going to take 10 of them okay and two together cuz this is seven and that's three those two together are going to spank my new ten rods and then I have 7 ones left over so far I know I'm 7 7 months one two three four five six seven eight nine 10 11 12 12 tens and 7 ones so how much is that total 127 what are answers going to I'm out to every single time and my battery that's a hundred and twenty one in the matter what strategy you use okay alright let's try and do what Isaiah said where he said that he slide up his numbers so we're going to like make sure everyone in the ones are two are on top of each other and everybody in the tens turn on top of each other. I have 273 and 7 lined up on top of each other cuz that's all of my once and then my 10245 filter on top of each other we all know that 7 + 3 + 7 + 17 because 7 + 3 is 10 7 you get 17 where does the one go 7 go is the one girl the one goes in the tens place and that makes a comment with 1 2 3 4 5 write 4 + 593 + 9 is what 3 + 9 is 13 play no answer 27 did anyone do anything different that's two ways now that we did it we could do it did anyone deal with different way haven't I need to see you please oh I see your full face did a different way cuz he's raising his hand yes he is I see it I don't care I think of ways to solve this problem is by using by using tally marks tally marks you made that Benny's Holly Marx you made 127000 racks someone is calling me what time is it I don't think this would be the best way to do this that's a lot of numbers I can get base ten blocks even takes a lot of time and then we take a nap what if we did this 27 + 43 and we just did these two numbers first add those together + 7 + 3 10 + 1 + 233 + 4 is 7 so these first two numbers added together equal 70 and then you were going to add in the third number this is your second math problem because you're not done yet by just adding its first to write 0 + 7 + 7 + 7 + 5 is 12 that's would be your answer okay so. Kind of goes with what I told you yesterday where you take two numbers at the same time Adam then you're going to add in your other numbers with the strategy that yesterday but again all of these problems we got the same answer and that's what counts all of them need to have the same answer if you're not getting the same answer you doing something wrong alright let's move on yesterday okay you are kind of what I just talked to do also we're going to add these two numbers here then we're going to add these two numbers here and there Rent-A-Car totals from those answers and put them here stay with me while I do it that way you can remember how this is done ready to try it on your own so we have a 26 + 15 I also tried to encourage you to think about the smartest way to ask numbers to go because sometimes it's easier to add your larger number with your smaller number so that way your number Stacy okay or medium size 6 Plus is 11 so you want those up in the one goes down write 1 + 233 + 1 is 4 okay so I already know that my first number is 41 I'm going to put that in my third problem all right let's go to the next one now we're going to 34 this is these are very small these numbers all together but 4 + 5 is 9 so that means I don't need to regroup some of you guys are just putting that one up in the tens place not every single math problem needs to have a number recruit where is 39 now I'm going to ask these numbers are nice and small so it's easy 1 + 9 is 10 to 1 goes up Ciara goes down was Forrest by 5 + 3 is 7 so my final answer is 70 I have already remember doing this from yesterday two of the numbers added together Adam together take both of those totals get a final answer right right and ready with me what do that kind of passes again Galaxy S7 turn my setup 5 + 3 oh goodness you're right I did mess it up I don't know why I had that as a tool in my helps you write thank you good job good job all right on your on your boards I want you to try this one you can pick what two numbers you add together okay you do not have to do the first few numbers cuz you know that with addition you can put out numbers and it doesn't matter we are tracking it would be different but if you wanted to add 11 and 14 together you could and then add 1325 together you could it does not matter pick two numbers that you want to add together think about it for a minute right it's about what your what your answer would come out to be Isaiah quit messing around you want to do stuff like that during lunch do it during times when you have a break go for it I'm try it out I'm going to run to the restroom and then I want to come back okay look at everybody look like they nice things that they can tell me what they did walk me through this so this is what I do I asked I have 14 first Adam 13th okay so that's good that's goes numbers are nice and easy they're small okay and it works I like it go ahead what else 10 + 14 is open it up I don't know if what came first 1325 is 27A 27 I'm sorry I'm sorry I just got scared beyond belief ice cream I literally think I just lost like five years off my life okay anyway pallet 27 thank you guys so far what did you do on your second math problem I added up to I got 25 first then I added up 11 so he did 14 + 13 + 25 + 11 different order it's going to have come out a little bit. with your totals but everybody should be getting the same final answer. I got I got out of I know I'm thinking it thinking it thank you I apologize tell me what you got I think it's 36 both of those math problems do not require any regroup it I just used my fingers that I had zero fingers and I went to one and that's 11 I mean you put it on a trailer potato Edgar's all right so you got to try to answer yes ma'am final final answer is light 200 + total let's try this okay let's do 27 + 36 price and where do you start I start in the ones place that's what you get when you add 746 7 + 6 13:1 goes up and then what do you get when you add 1 + 2 so not answer wait what did you say are you paying attention right right add the tens that are Beyond Serebii three short answer are you going to minutes you got it sorry Instagram app I got it I got it Coco Loco where is skip I think we're doing pretty good with this okay so your practice today is going to be 4 numbers this whole week you've just been doing 2K again I want to show you Rachel's because she is doing a phenomenal job of you need what she's doing okay and I love it so everybody else should be modeling what she's doing and what I do in class so your paper should have asked play when you're doing your 4 digit like this I should be seeing these little like arrows out to show that 5 + 3 + 8 + 4 + 7 equals 11 but I should be seen with these four numbers did everybody hear that Mr macari Isaiah I mean I have it Haney Hessler you two are going to be on Splash learn doing those assignments Miss but just like what I should be seeing on your mass okay and I'm going to show you Rachel's because I guess she's done a very good job of doing what I asked I have no doubts in my mind that she did the work all by herself because I see all of her work okay if there's nothing no work there I'm thinking that you cheated that you use the calculator and I'm not accepting that okay for hidden are you erase everything she did yesterday because I didn't see any work that you had to start all over again so don't do that don't make me do that I don't want to do that but I'm getting tired of saying that I need to see your work or I'm a taking it right when we come in person you're going to be expected to show me all of the stuff look at this wait till the work she goes again but look at that I can see exactly what she did she's telling me that 4 + 2 + 9 she got 15 Hazard answer and then I know I see her one he carried up here and I see her that she added one plus 344 plus 2 equals 6 and then she added 4 + 6 to get 10 to her final answers 105 she was one of the first ones done and she did do this okay so it's not that it's going to take you a long time to do because of your focus and you do it right it'll be done quick but if you do it wrong guess what you going to be sending double the amount of time on it because I'm going to make you do it again right to do what I want the first time even if you think it's going to take forever cuz it won't she was literally one of the first ones and she did this perfect she did is exactly how I wanted you to get anything wrong I looked at it all right all ready to go have a good day Rachel okay that's what I want does everybody understand what I want good so you are worksheet today with a guy you guys are lucky because I'm going to actually let you go after lunch or a push I want a little bit so that you have time to get all of your work done but I have to lunch you're going to be finished okay so I'm being very very nice with you today but one of those things you got to get done it is number 16 2-4 and again Haney and Hustler you two are not doing this you were going to be doing your Splash form then you have your reading page and did a very bad job this morning the First Eye Care okay you have to get remember this you have to get your vocab A to Z done today because I'm checking it tomorrow morning and if it's not finished I'm grading it as it is you have had two weeks does everybody understand that so today you want to make sure everything is gone invoke a busy and reading it is it is my last and final warning about that is Oliver Finals on okay I'm not giving you writing to do today okay because I really want you to focus on getting done your vocab A to Z and your reading worksheets and your mass play those are the three things that I want John and against Haney and Kessler you two are spending your time on reading a to z and splash learn and finishing those assignments that I gave you to understand you're not going to follow what I put on your musty made out of okay if you stay focused okay the quicker you get done

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2/4 Math Lesson

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