# Lesson video

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Hi, everybody, welcome back to your unit on Place Value.

Today we're going to play some dice games and we're going to be partitioning numbers in different ways.

So first things first, put on your hats, tighten your ties, and tell the computer, now I'm a mathematician.

Here is today's lesson agenda.

We're going to start off with our star words, then we're going to do some partitioning, We'll then play dice game that is more partitioning numbers and then it will be time for your quiz.

Before we kick in, please make sure you have a pencil, a piece of paper, a ruler, access to either a dice or an online dice.

If you need to do any of those things and get them, please pause the video now.

If not, let's get started.

So here are Star Words.

Remember to repeat them back to me.

Star Words! Partition! Part, whole, regroup, hundreds, tens, ones.

Show me partition.

Show me part.

Show me whole.

Brilliant job.

Remember we need to use our actions and our Star Words throughout our lessons.

Here I have the number 82.

Now how can I partition, this number? I could put a partition in it with 80, eight tens and two ones.

But are there other ways that we could partition the number 82? Pause this video and have a think.

Great job.

Here's some other ways that we can partition the number 82.

We have 70, so seven tens and 12 ones.

We could also partition 82 into 60 and 22.

We can see that 82 is our whole, and our two parts are 60 and 22.

Now we're going to play a really fun dice game together.

So, I'm going to show you with my dice.

I'm going to roll a number.

My first number is, five.

I'm then going to roll again because I need to have a two digit number that I'm going to partition.

Now let's see a really good number and one.

So here I have my whole, which is 51.

Now I could, partition this into 50 and one.

Another way I could put partition could be 40 and 11.

Another way I could do 30 and 21.

So I have come up with three different ways to partition the number 51.

So remember you need to first roll your dice two times, see that you get to two digit number, and you'll then need to partition that number in different ways.

So pause this video and have some fun with the dice.

Great job.

How fun was that! Partitioning numbers is really fun, don't you think? So here we have the number 146.

So now we're going to be partitioning three digit numbers.

So here I have partitioned 146 into, one hundreds, four tens and how many ones do you think? Great job, six ones.

How else can we partition the number 146? Pause the video and write down an answer.

Another way we could do it is one hundreds and four tens on one part and six ones on the other part.

How else could we partition? Pause and have a think.

We might have one hundreds and 46 ones.

How else could we partition 146? Quickly write something down.

Well done everybody.

We independent task.

And I have rolled a two, a four and a three.

So my number is 243.

How could I partition this number? Oh, I know I could do two hundreds, four tens and three ones.

I've rolled my dice again.

I've got number one.

I've got a six, and I've got a seven.

So how am I going to partition this number? I'm into one 100, six tens and seven ones.

So now it's your turn.

What you need to do is you're going to roll your dice or use your online dice to get three digits.

And you're going to place those digits in any of those columns, it doesn't matter which ones.

And then you're going to partition those numbers in different ways.

I wonder how many different ways you can come up with.

Good luck, don't forget to pause the video.

If you'd like to share your work today, please ask your parent or carer to share your work on Instagram, Facebook or Twitter.

Tag @OakNational and #LearnwithOak.

I've had so much fun with you today and I really enjoy partitioning numbers and using our dice resources.

So before you leave, remember to complete the quiz and I'll see you again soon.

Bye!.