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Lengths, the three and the four, in every case, we're gonna find that this equals 12 square units. Units like in the beginning, or we multiplied the side

So, no matter which of these we solved, whether we counted the square One, two, three, and we'll see that one, two, three, four times.

Like this will there be? There'll be one, two, three, four, 'cause our length here at the top is four. So we coulda done three timesįour, or we could look at this and say, okay, here's one column. There's four square units at the top, another in the middle,Īnd another at the bottom. So we'll have this row of four, and then a second row Rows of four will they'll be? It'll be one, two, three rows of four. Over on the side, over here, and said, well, how many So that means the top row will have one, two, three, four One, two, three, four, hasĪ length of four units. We could've also said, weĬould've also looked at this and said, okay, this top row Rectangle A covers 12 square units, so it has an area of 12 square units. Three, four, five six, seven, eight, nine, 10, 11, 12. So goin' like this, connect all these, and then, we should be able So how much space does Rectangle A cover? How many square unitsĭoes Rectangle A cover? One way to answer that would be count how many square units it covers, except they've covered Squares equal 1 square unit, and then, we're asked toįind the area of Rectangle A. Square is 1 square unit, so what is the area of Rectangle A? The first thing we're told is that each of these little The area of Rectangle A is 12 square units because it covers 12 square units. So, no matter which of these we solved, whether we counted the square units like in the beginning, or we multiplied the side lengths, the three and the four, in every case, we're gonna find that this equals 12 square units. So, this time, four times, we will see three square units. How many of these columns like this will there be? There'll be one, two, three, four, 'cause our length here at the top is four. So we coulda done three times four, or we could look at this and say, okay, here's one column. Three times, we will have four square units. There's four square units at the top, another in the middle, and another at the bottom. So three times, we will have four square units. So we'll have this row of four, and then a second row of four, and a third. And then we coulda looked over on the side, over here, and said, well, how many rows of four will they'll be? It'll be one, two, three rows of four. So that means the top row will have one, two, three, four square units inside of it. One, two, three, four, has a length of four units. We could've also said, we could've also looked at this and said, okay, this top row is four square units long. But this isn't the only way that we could've solved this. So we have one, two, three, four, five six, seven, eight, nine, 10, 11, 12. So goin' like this, connect all these, and then, we should be able to count our square units. Say you cover'em up, we'll draw them back in. So how much space does Rectangle A cover? How many square units does Rectangle A cover? One way to answer that would be count how many square units it covers, except they've covered up our square units. Here's Rectangle A, and area is the space that it covers. This square is 1 square unit, so what is the area of Rectangle A? The first thing we're told is that each of these little squares equal 1 square unit, and then, we're asked to find the area of Rectangle A.