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| 2 rows of 3 posters = 2 x 3 = 6 posters |
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| 12 rows of 3 shelves = 12 x 3 = 36 shelves |
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| 2 rows of 2 desks = 2 x 2 = 4 desks |
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| 10 rows of 3 mailboxes = 10 x 3 = 30 mailboxes |
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| 3 rows of 9 holes = 3 x 9 = 27 holes |
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| 3 rows of 4 posters = 3 x 4 = 12 posters Please comment! What are examples of other arrays you have noticed around school or at home? |
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Thank you!
I have noticed that there are arrays everywhere - the seats on the bus are in two separate arrays. In my college classes, all of the seats are in arrays also. Usually, at the grocery store, items are organized in arrays. I learned about arrays and other forms of multiplication and why they're important last year at Western. We also learned about cartesian products, and multiplicative comparisons. I never knew there were so many different ways to do multiplication!
ReplyDeleteSincerely,
Stephanie, Mr. Pahl's IT student
Dear classmates,
ReplyDeleteI read A scary book that is call “To wake the dead”. By Jason Strange. In it he says,” She pulled open the big black swinging door. The lights from the lobby forced Grant to squint and shade his eyes. I like that when Jason write that down instant of “She pulled open the black door.T he lights from the lobby MAYED Grant to CLOSE his eyes.”
P.S.
I think that the first one is better
From:
Elizabeth
I've noticed a lot of arrays walking around today. The computer lab I'm sitting in has 4x2 arrays of computers. I've even realized that there are arrays all over that I hadn't even seen before. One of these is the apartment complex I live in. If you step back and look at the doors they're set up in an array of 6x2. If you take the time to actually think about the world around you, you will find math all around you. Including arrays!
ReplyDeleteSincerely,
Nolan, Mr. Pahl's college student
Arrays are such a helpful visual to help understand of what multiplication really means. Seeing 2 x 3 in an array that has 2 rows and 3 columns helps me understand why it equals 6 so much more that just being told 2 x 3 = 6. It is so much better to start with things like this, and then after people understand you can move on to memorization.
ReplyDeleteWhat are some creative visual ways teachers have helped you understand a difficult subject or topic?
-Becky Small, Mr. Pahl's IT Student
Dear 4th graders,
ReplyDeletetoday at my house, I noticed that my soap holder that holds bars of soap, it's little spikes that keep the soap from slipping off of it had a 5 by 8 (5x8) array. It had 5 columns and eight rows.
from:
Sarah.M