Today we started learning about arrays.
Some of our blogging buddies have been learning about arrays too. Check out what our New Zealand friends, B4, did with Mrs McKenzie. In New South Wales, Mrs Dowling also focussed on arrays with her class.
We also found an old post by Mr Salsich’s third grade class in Connecticut, USA. Thank you Mr Salsich for letting us use some of your work!
An array is a group of objects arranged in rows and columns. Each row has the same number of objects.
Arrays are useful for skip counting and solving multiplication problems.
The array above has 3 rows of 4 blocks. That is 3 groups of 4, or 3 x 4. We can find out how many blocks there are by skip counting by 4’s: 4, 8, 12 – or by doing repeated addition: 4 + 4 + 4 = 12.
There are 12 blocks. So, 3 x 4 = 12.
Here is a slideshow of some arrays around our classroom! Can you solve the multiplication problems?
Dear 2KM and 2KJ,
I think this post is great.
There is lots of ways to make arrays.
I am getting to know a little bit about arrays.
Your class mate,
Eb
@ Eb,
Thank you for your great comment on the blog and also you where the first to comment! You are lucky.
I think the slideshow is awesome and here is one of the answers.
4 rows of 2 papper files and the sum is:
4×2=8, am I right
You are right there is a lot of way to make arrays(Times tables).
Lets hope everyone learns more arrays very soon.
Love,
♥ 
Kayla ♥
@ 2KM and 2KJ,
I love the new post!
I only solved some of the arrays. I sometimes do multiplication at home.
If you do some multiplication at home what do you use it for? I sometimes use it when my mum and I are sorting out lolly bags because you have to make sure that everyone has the right amount of lollies because then it is fair.
My favourite thing about I have seen money, some toys and balloons.
Great post again.
Best Wishes,
Alana
@ Alana,
I don`t like your comment, I love your comment!
I don`t do multiplication at home, so I don`t use it for anything.
Love,
Meg
Dear 2KM and 2KJ,
I have got a times table for you.
2X2=4
10X1=10.
Did you like my sums?
2X11=22
Love from
Keira
Dear Keira,
Thank you for leaving a great comment on the blog.
Yes I love your sums, they are great.
Here are some of my sums:
2×8=16
3×3=9
6×4=24
Love Kayla
Dear 2KM and 2KJ,
This is a great post Miss Jordan you must of put a lots and lots of effort into it. Eb: I love the slidshow it is great.
Kayla: I like the slideshow too and I like the squares as well.
Here is one of the answers.
2 rows of 11 lokkers,
and the sum looks like this: 2 x 11 = 22 is that right
Eb and I like the sum with the lokkers.
Awesome post again Miss Jordan.
I think that is all for now.
Love Kayla and Eb
@ Eb♥ny and K♥yla,
I love the comment you did! Your turning into great bloggers!
Yes, your sum is correct, I know that sum it`s really easy.
Here is one of my arrays: 3X3=9
I like the sum with the lokkers too!
You to are both good at Arrays
I love this post as well!
Happy blogging,
Meg
Dear Meg,
Thank you for replying to Kayla and me. Your comment is great!
Thank you for saying that Kayla and I are good at Arrays. Your array is right too.
Your Best Friend,
Eb
@ Eb♥ny,
Thank you for relying to me, I love your comment!
Here`s another array: 2×3=6 and 1×2=2 are they right?
Happy blogging!
Love your BFF,
Meg
Dear 2KM and 2KJ,
What a wonderful way to learn about arrays.
I have found a couple arrays in my home which are a row of tiles and my house window which are four across and four down. Now can anyone tell me how many array make up my window?
I really loved watching your slideshow.
What a wonderful way of showing us all the different ways arrays can be made up of.
Great post.
From your blogging pal,
AA.
Dear AA,
Thank you for leaving a great comment on the blog.
Your answer to the question is 16 so the sum will look like this: 4×4=16.
Your Bogging Buddy,
Eb
Dear 2KM and 2KJ
You certainly found a great number of arrays around your school.
Here is a problem that you might be able to solve for me:
I have 16 chairs to set out for assembly.
What configurations could I use? (That’s a fancy word for saying ‘how could I set them out’)
I’m sure there is more than one way of doing it!
from Mrs M♔Kenzie
@ Mrs McKenzie,
What a great comment:lol:
Most of the arrays were in our class room.
Were the arrays good examples:?:
I think I have solved your maths problem. You could set out your chairs any of these following ways:
1 row of 16 (1×16)
16 rows of 1 (16×1)
2 rows of 8 (2×8)
8 rows of 2 (8×2) or
4 rows of 4 (4×4)
I hope this helps you to set the chairs at assembly.
Let us know how you decided to set them up.
Thanks again for your great comment.
Warm Regards,
Hannah
Dear Mrs M♔Kenzie,
Thank you for leaving a great comment on the blog, it is great.
So you know who I am I’m in Miss Jordan’s class and I’m 8 years old.
We all love your sugestion in your comment.
These are the arrays that we found to solve your problem.
2×8=16 8×2=16 1×16=16 16×1=16 4×4=16
We learnt that there are 5 arrays that we could make with 16 chairs.
We also learnt that if you turn around the numbers the arrays look different.
We could’t turn around 4×4=16 because the numbers are the same!
Yes we do have a lot of arrays around our school.
Great comment again Mrs M♔Kenzie.
Love,
Kayla (2KJ)
Dear 2KM and 2KJ,
When we look around,w e see so many arrays if we take the time to notice.
On the desk where I am now sitting, there is a calendar. Each month has 5 rows of 7 boxes although not all boxes have numbers.
The whole calendar is arranged in 4 rows and 3 months.
Nearby is a phone. It’s keypad has 4 rows of 3 keys for calling numbers.
Therefore, just sitting at this computer I have seen 5×7=35, and 4×3=12.
Keep up the maths studies, 2KM and 2KJ. Working with numbers is fun.
Ross Mannell (teacher)
S-E NSW
Dear Ross Mannell,
What a great comment.
Thank you for your comment it is great.
I got a some for you 12×3=36 and 9×3=27 am i right.
Did you learn Times Tables when you were at school we have.
Love from you blogging buddy,
Paris
Dear 2KM and 2KJ
I like that maths activity. I had 3 more to do.
I also like the dinosaur activity.
From Zac
Dear Zac,
Thank you for your great comment on the blog.
I like the dinosaur activity too.
From Kayla
@2KM and 2KJ,
The answers to the problems are
2X11 =22 4X5=20 4X2=8 3X3=9 2X3=6 2X5=10 3X2=6 10X10=100 4X3=12 4X3=12 am I right?
From Conner
Dear Conner,
Thank you for leaving a great comment on our blog, it is nice to hear from you.
All your problems are great and yes you did great them all right.
Great comment again Conner.
I think that is all for now.
From your blogging pal,
♥ 
Kayla ♥
Dear 2KM and 2KJ,
I love this post so much!
4X5=20.
2X3=6.
Do you know any of the multipucation awnsaur’s?
What do think of the quition?
Hope to see you in the morning.
Love from your blogging pal
Keira.
@ Kiera,
Yes I do know some multiplication answers:
4×4=16
9×9=81
5×5=25
Do you mean question?
Bye for now,
Ava
Dear 2KM and 2KJ,
It’s amazing how many arrays you have just in your classroom! Arrays make answering multiplication problems so much easier. It’s great to be able to see everything all lined up!
In my classroom, I have 4 containers that each have 3 drawers in it. I use it to keep my papers in that I will be giving to students. So to figure out how many drawers I have, I would have to do 4 x 3? How many drawers do I have?
Keep up the great work!
Sincerely,
Mr. Avery