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All assets associated with the tag: Learning at Home - 3-5

Learning at Home - 3-5 Coverage

today, we're gonna be looking at founding Missing Angle. So our question is, how can I use what I know about angles to help me determine missing angle Benjamin's So you're gonna have to use what you know about a cute right in obtuse and strike angles in order to figure this out. So some things that are important to remember we always need to remember that right? Angles or 90 degrees straight angles are 180 degrees. And we also need to think about how angles or names you remember when we name angle, the Vertex is gonna be that middle letter. So if we have angle, ABC B is gonna be the Vertex because it's in the middle is the point where the two race combined to make that angle. If we know all the total parts of the angle, we confound the total angle by adding if we know the total angle. But we have a missing park that maybe you wanted to subtract at some point to find that missing angle. So let's look at some examples with our first example here, we can say, is asking for angle in em. So I see That's my total angle. I know my two parts. I know this angles 37 degrees on this angle was 26 degrees. So since I know both parts to found the total, all you have to do is add and you can see that this is 63 degrees. Here you can see an example of what the equation would look like without the numbers. I'm gonna add angle in young P plus angle L P M O, and that gives me the toe. So sometimes they ask you for the equation, not just the numbers. If we look at another example, this one's a little different because it combines three different angles to get the total is asking for the measure of angle STP. So again, I know all three pieces, so I'm gonna add those together to find the total so 41 plus 45 plus 20 that's going to give you your total. Okay, you can see the equation here as well. You'll notice that tea is in the center of each of these angle names because it's the vertex. So when you have all of the pieces, all you have to do is add Now we're going to switch it up a little bit. We're gonna ask for the angle of a B. D, and you can see now we're asking for a piece of the angle, not the total. So what's important here is that there's only one number one angle measurement here. But I don't know that this box is gonna tell me some important information. I know that this box represents angle ABC. It tells me that it's a right angle, so I remember that a writing was 90 degrees, so my total angle was 90 degrees. This piece of it is 33. So I need to figure out how much of that angle measure is left for angle a B day. So all you do is take your total, which is 90. You subtract the 33 which is the part that you know, and you say that it gives you 57 degrees. So if we look at a similar example here, we have angle E f g again. I have that box that represents a right angle and a writing was 90 degrees. I have angle E f h, which is 26 degrees. So if I take my total angle e f g, which is 90 degrees. I take away the part that I know, which is 26 and I can see that my answer is gonna be 64. So the piece that I have left is 64 degrees. Then it let's look at something besides of right angle. We're gonna apply the same concept that we did for the past example. But here, ah, J K is a straight angle. And I remember that a straight angle is 100 80 degrees. So that tells me that any angles at her own here have to be 100 80 degrees. Well, this piece of the angle is 122. I need to figure out what this missing angle is for angle L J K. So I'm gonna take 180. I'm going to subtract what I know of 122 and it's going to give me 58 degrees. So that tells me that angle L J K. It's 58 degrees now. This last one is a little bit different, but it's not too hard again. I have a straight angle, so I know it's 100 80 degrees. I have two parts, and then I'm gonna have to find the 3rd 4 So you have to add what you know, get your total and then subtracting from 180. Once you do that, you see that your angle is 36 degree. So here, with these problems, you just have to think about what parts do I know? And how do I figure it out? Do add or do us of?

Finding Missing Angles - 4th Grade Math

Learning at Home: 4th Grade Finding Missing Angles

right. As I was saying, in order to find out how many more pints they need to collect to meet their goal, you would have to subtract 100 minus 50 nine, Right When we subtract, you should always start at your ones. Calm in here. We have a zero, and I need to take away nine ones. Well, I can't do that when I don't have any ones to begin with. So that means I would need to go to my next door neighbor and try to regroup when I come here to the tens. Calm. You don't have any tens either, Genes. In order to subtract, I need to go all the way to my hundreds, fall and take the 100 away. Now, I've taken 100 away. I could move that 100 which is really 10 tens to the tens call. But I still need someone's that I could take away nine. Which means I'm gonna take a 10 away from the tens. Call, which means now we have nine tens and move that 10 to the ones call. Now I'm able to subtract properly. 10 minus nine equals one nine minus five equals four zero minus zero is zero. Which means the American Red Cross needs to collect 41 more pints of blood to meet their goal. Now, I'm not quite done because I still need to check for reasonable this. Well, in order to check subtraction, I would use the inverse operation, which is addition. And I would say to myself, OK, I think they need 41 more pints, and they already had 59. So if I put those two amounts together, do I indeed get their goal of 100? Well, let's see, one plus nine equals 10 so I'll put my zero here and then move my 10 to the tens. Call. One plus four is five and five plus five is Tim. So I do indeed get their goal of 100 points, which means my answer of 41 is a very reasonable answer. When you're working today, make sure you go and use those problems loving steps. Read each problem carefully. Look for the key words. Make a plan based on what the question is asking. Make sure to solve and show work, whether it's a number sense or drawing a picture. And finally, don't forget to check for reasonableness

Solving Word Problems: Part 2 - 3rd Grade Math

Learning at Home: 3rd Grade Solving Word Problems - Part 2

Understanding the three types of symmetry.

I think everyone this weekend, man, we're gonna be focusing owned symmetry. And when we talk about things that have symmetry or are symmetrical, we talk about if you were to fold it or cut it in half both sides of the exactly the same. So it can't be almost the same. It has to be exactly the same. So if you were to take, um, let's say, for instance, circles with the smiley face Okay, if I were to fold it in half or cut it in half if it both sides matches up than it has symmetry. So this one, I can put it open day on, and we can say that it has vertical lines of symmetry. So if I could, it horizontally though I can't do it horizontally would just side to side because the eyes are at the top. There's no ads at the bottom, so it doesn't have symmetric if we think about, um, letters that have symmetry. Okay, one that comes to mind would be the letter a. But I and we're talking about capital letters here, So a think about what kind of symmetry would it have? So symmetry? There's three types that it can have. It could be horizontal, which is sad. Decide it could be vertical, which is up and down, or it can be diagonal, which would be corner to corner. So those are the three types of symmetry that you can have. So if I think about my upper case from a capital A if I put it in half horizontally Sad decides that doesn't work. If I could diagonally that definitely doesn't work. So it does have symmetry, but it would be bird. A cool symmetry. The letter a So if I were to fold it, both sides would be exactly the same. If we think about things outdoors animals, for example. Something that comes to mind would be a butter. Uh uh. I don't have my butterflies gonna have symmetry because I'm not artist. But if it were to look something similar to this as long as both sides look the same, then it would have symmetry. So, in an ideal world, a good artist like from the Saugus would have a symmetrical butterfly here. I can cut it in half bar tickly open down for it to match. Now, if I didn't have these two antennas on my butterfly. Then it would work. I could have a horizontal Alanis imagery as well. So you have to be careful with things. You have to make sure that they are exactly the same. If you were to, could it voted in half. So, for example, I went around my house and borrowed some things from Grayson, just like I borrowed her board. If I look at this Princess Tierro okay, if I were to cut it in half vertically up and down, it would line up. It would be exactly the same because I have jams that matched on each side. They're the same color. So this would have symmetry. It would have one lot of symmetry. It would be verticals is if I were to take this egg. Okay. If I wanted to find out if it had symmetry, I would look at it. I can't fold it horizontally because it's a little shape and the bottom is not the same top shape at the bottom, to the top and bottom of the same shape. So then I would take it and cut it vertically up and down this way. Yes, that would match up that Agnelli. It would not match up. So this only has one lot of symmetry. The egg If I take his coffee mug. Okay. If I were to take the handle well, then it would have symmetry. It would have a vertical honest imagery, but because it is a hat as the handle on one side, this object has no lots of symmetry because it's not even on the other side. Though if I had a handle here that it would have symmetry because I just have the one handle. It makes it not symmetrical, so it has zero lines of symmetry. If I look at a sheet of notepaper guy, it does not have symmetry because there's not holes on both sacks. If there were holes on both sides, then it will be symmetrical. So this sheet of notepaper has zero tolerance if symmetry. So again, remember symmetry. If you were to fold it or cut in half, both sides have to be exactly the same. You can have the rate types of symmetry horizontal, vertical diagonal. Those are the three types that you can have. So for your assignments today, you're gonna have to go around on a scavenger hunt and find things around your house. It could be inside or outside that have symmetric. And I want you to tell me what typhus image or do they have? Do they have article which is open Dale horizontal with decided to side or diagonal, which is from corner to corner. So that's the first part of your assignment for today. The second part of your assignment is to come up with four people in your family, their names and figure out how many lines of symmetry are in there now. So I'm gonna help you get started with that. So I want you to use all capital letters because that makes it a little bit easier. Now you're typing in all the computer, so the thought that she use sometimes can make a difference. So it may be easier to ride it on the sheet of notebook paper first, and then just type it and tell me how many you have you need in their bold or highlight the letters that have symmetry. And then tell me how many you have overall. So if I were to write my last name on this board, guys, I'm gonna write Phillips Now you have to have meat he riding or it's gonna throw it all offsets. For some of us, that might be a little challenging. So I'm writing Phillips and all uppercase letters, and I'm going to determine the number of lines of symmetry that are in the last night. So if I look at Phillips P, it doesn't have any lots of senator it because there's not hold here at the bottom. So this so it has Zabrze. All right, if I think about H, I want it to be exactly the same. So I can do it vertically. Four horizontally. So that has two lines of symmetry. If I look at a it has a particle as well as a horizontal. So it has to ale doesn't have any because there's not alone at the top. So that zero ill is zero. Family said that I has article a horizontal which were big too. Okay, he doesn't have any. And then it s because this out of this I don't line up. It also has zero. So you have 246 along with the symmetry in the last night. So on the computer, I would highlight or bold eight on a And then I would say six lines of symmetry that would be for one person. You're gonna do it for four people. You can do your name. You could do last night so you can do first things. It doesn't matter. Just make sure that to use all capital letters. Okay. So again, remember, if something is symmetrical, it lines up evenly on both sides. It matches identically. It could be a particle which is up and down, guy. It can be horizontal, would decide to side, or it could be Well, sorry about that. Or it can be diagonal. So you have three different types of symmetry. It also may not have symmetry. So for your scavenger hunt on Lee won't things that are symmetrical. So if you have a coffee mug of there, you need to make sure that is the copy mode that has two handles. Okay, um, something else that you might could think of That would be a cook. This cup is solid pink. It can because vertically okay. And that's the only way that it could be. Could. It can't be cut horizontally because the top is wider than the bottom and it can't be cut diagonally either. So it only has one line of symmetry, which is vertical Now. If I were to write a name or have words on this, then it probably would not be symmetrical unless the word itself had signature. Okay, says thanks. I have symmetry. If you could it in half or photo and have both sides have to match up, they have to be identical by. So if you have any questions, you can look up any extra videos on symmetry. YouTube has a tone, but hopefully this will help you get through today's activities.

Learning at Home - 3-5 Coverage

Finding Missing Angles - 4th Grade Math

Solving Word Problems: Part 2 - 3rd Grade Math

Exploring Symmetry - 4th Grade Math