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First, I broke up 220 into 200 and 20.

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First, I drew a spuare. And I wrote 220 ft. on one side, and I wrote 72ft. on other side. and in the spuare, I wrote 220 x 72= 15,840. Than the answer is 'we need 15,840 ft. of carpet.'.

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First, I did A=220 times 72. Next, I did Length: 220 ft. I also did Width: 72 ft. I split up 220 into 100, 100, 10, 10. I multiplied 72 by the numbers that 220 was broken up into. I added them all together and got 15840 feet of carpet is needed to fill the MUR.

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First, I did 220 times 30 = 6,600 two times, then i did 220 times 10 =2,200, and 220 times 2 = 440. 30

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First, I did 220 x 10 = 2200. Then, I did that x 7 to equal 15400. Later, I did 220 x 2 = 440. I added 15400 + 440 to equal 15840 sq. ft.

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First I wrote the expression, 220 x 72= a. Next I split up 220 and 72 into 20 and 200 as well as 70 and 2. Next I did the long and painful multiplication set. 20x2, 20x50, 20x20,

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first I broke up the 220, next I multiplied 72 with 200 and then with 20, after that I the added the answers, 14,400 and 1,440, and finally I got the answer, 15,840!

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first, I thought it would be to hared if I do it

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Firt I drew a box and split up the 220 and the 72. I multiplied the 20 and 2 and the 70 and 200 and I got 14,040. Then I did 200 times 2 and 70 times 20 and I got 1,800. I added 1,800 and 14,040 and I got 15,840 sq. ft. Look at my picture!!!

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lucas zhou.....................

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First I broke up the 220 into 200 and 20, and broke up the 72 into 70 and 2. Then I did these four equations:
200x70=14000;
200x2=400;
20x70=1400; and
20x2=40. Finally, I added the four answers;
14000+400+1400+40=15840. So My answer was 15840 square feet.

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First I split 220 into 200 and 20. Next I did 200 times 72 and got 14,400. Next I did 20 times 72 to get 1,440. Finally I added them up to get 15,840.

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first, I multiplied 220x72=15,840. that was my first strategy. Then my second strategy is 220x36 (wich is half of 72) =7920. Then I multiplied that twice and got 15,840.Then for my third strategy I did 220x10=2,200 then I multiplied that 7 times and got 15,400. Then I mulpitplied 220x2=440. Then I added 15,400+440+15,840!

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First I multiplied two hundred by seventy to get fourteen thousand. Then I multiplied twenty by seventy to get one thousand-four hundred. Then I multiplied two hundred by two to get four hundred. Then I multiplied twenty by two to get forty. Finally I added all the products together to get fifteen thousand-eight hundred forty square feet. The End!

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My equation was 220 x 72.
My first strategy was simply just "stacking" the numbers on top of each other.

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First I drew a box to represent the total area, then I multiplied 100 times 72 twice and got 7200 and 7200. After that I multiplied 10 by 72 twice and got 720 and 720. Lastly I added all of the answers up and got a total of 15,840 square feet of carpet.

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I first drew a rectangle and labeled the longer side 220ft. and the other side 72ft. In my mind I broke up the 220ft into 20ft. and 200ft. I drew a line. In the bigger box, I wrote 72x200=14400sq.ft. In the smaller box, it wrote 72x20=1440sq.ft. I added the 14400+1440 and I got my answer of 15840sq.ft.

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First, I split up 220 into 200 and 20. I multiplied 20 and 72 which equals 1,440. I then multiplied 200 by 72 to get 14,400. I add them up to get 15,840 square feet

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First I split up 220 into 100, 100, 10 ,and 10

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First I split up the 220 in to 200 and 20 then I multiplied 200 times 72 and got 14400 and then I multiplied 20 x 72 and it equaled 1440.Then i added 14400+1440 and that equaled 15840 sq.ft.

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First, I split the 220 into 200 and 20. Then, I multiplied 200 and 20 each by 72. Lastly, I added the two final sums together to get the ft. of carpet needed.

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Dr. La Rose wants to put in new carpet in the MUR. If the length of the MUR is 220 ft. and the width is 72 ft., how much carpet will we need?

1. Write the expression that matches the problem.

2. Solve the problem using 2 different strategies.

3. Share your strategies with a table partner and try to explain your thinking clearly.

4. Post a photo of your work on Padlet.

5. Write your mathematical thinking in words to explain your strategy.