The concept of multiplication is our current unit of study in math. Multiplication is repeated addition. We have also learned about arrays.
Our
math glossary defines an array as: An arrangement of objects in rows and columns.
ROWS go across.
C
O
L
U
M
N
S
g
o
d
o
w
n
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Here are some arrays we found around our school. Notice how we used synonyms for the word
see!
While I was reading a book outside at recess, I glanced over and saw an array of windows.
3 x 4 = 12 windows
Taylor S.
When I was seated at my desk, I
peeked over my chair and saw an array of
giant paper coins.
2 x 5 = 10 giant coins
By Matthew
When I was at my desk, I
spied an array of pictures called
Take your Acorn on Vacation. There were four rows of two.
4 x 2 = 8 vacation photos
By Behyan
When I was looking at the world map, I
noticed there was an array of squares in the map key.
2 x 5 = 10 land and water squares
By Shane F.
While I was outside on the jungle gym, I glanced across the yard and saw an array of benches.
1 x 4 = 4 benches
By Kyle
While I was in the library, I observed an array of math books.
7 x 4 = 28 math books
By Lexi
When I was sitting in class, I
looked at the computers and I saw an array.
1 x 3 = 3 computers
By Shane J.
I was in the P.E. equipment shed, and I saw an array of bowling pins.
2 x 4 = 8 pins
Taylor G.
While I was seated at my desk, I spotted a Parts of Speech poster array.
3 x 2 = 6 Parts of Speech posters
By Sean
While I was walking around the classroom, I stopped and observed the elapsed time stories array.
2 x 8 = 16 elapsed time stories
By James
When I was walking by the world map, I spied an array of cubbies.
8 x 3 = 24 cubbies
By Amanda
While I was walking around the non-fiction section of the library,
I stared at the Zoo Book rack. The columns were easy to see. There were two columns.
Some students thought this was
2 x 23, rather than
23 x 2
Solution?
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*
*
Rotate the picture!
Now you see two rows.
2 x 23 = 46 Zoo Books
By Chloe
When I was walking around the room, I
spied the dictionaries. The two columns were easy to see. Some students thought
this was 2 x 10 rather than 10 x 2.
Solution?
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*
*
Rotate the picture!
Now I see 2 rows x 10 = 20 dictionaries
By Alasia
The next few arrays are special. Both of the factors are the same and they make a square. We call them the square products!
When I was inside the classroom, I spied one row of one quarter.
1 x 1 = 1 quarter
By Emily
While I was walking around the classroom, I spotted our Chinese character stories in an array.
4 x 4 = 16 Chinese character stories
I also noticed that both factors are the same, so it is a square.
By Jonah
I
stared at the board in the classroom and saw a penny array. I
noticed it was a square. That means it has the same number of rows and columns.
5 x 5 = 25 pennies
By Warren
While I walked through a teacher's room, I looked at an array of boxes.
10 x 10 = 100 boxes
By Marcus
While I was strolling around the room, I
looked at the multiplication chart. There were 13 rows and 13 columns.
14 x 14 = 116 squares
Here are two arrays of yellow and orange zinias that Mrs. Yollis planted.
I see 3 rows of 2 on the left.
I see 3 rows of three on the right.
How many yellow and orange zinnias?
Hint: Use multiplication
and addition!
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*
*
Answer:
(3 x 2) + (3 x 3)
6 + 9 = 15 yellow and orange zinnias!
Do you see any arrays in your life? Tell us about them in the comments!
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Extra Credit from Shane J.!
Shane sent us a hyperlink to a photo of his
French doors.
Can you name the array?
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