Lesson video

Hi friends! It's Miss Molnar here and Harold the hedgehog.

Say hi to everyone Harold.

And today, we are going to do some super fun math learning.

So I hope you are ready.

So, we're going to be consolidating our knowledge today all about capacity or about how much different containers, how much liquid they can hold.

All right, let's see what you're going to need to get ready for this lesson.

All right, Harold what do we need for this lesson? All right, so you're going to need some different sized cups and containers from around the home.

So you're going to need to ask a parent or carer to get some of these items for you.

So I've got some plastic cups, and some plastic bowls that can be filled with water.

And I've got some different types of vases, and maybe jars.

So pause the video right now.

Ask a parent or carer what you could use.

And then we can come back together to get started.

Okay, lets recap a little bit about some of the vocabulary that you might have learned already on capacity.

All right, so, looking at the first image of the jar with water in it, how could we describe the amount of water in the jar? Its a tricky one, 'cuz it's not quite full.

If you said nearly full, well done.

I say, you say nearly full.

Good.

We can describe the amount of water in this jar as nearly full.

It's not to its full capacity, is it? All right, lets look at the next one below that.

How could we describe the amount of water in the jar below now, in the bottle below? Hmm, its not quite empty.

How could we describe it? If you said nearly empty, well done.

I say, you say nearly empty.

All right, we've got three more images on the screen here.

Let's start with the water bottle at the top.

How could we describe the amount of water in that bottle? So this bottle is half full, or depending on if we dumped it out, the water out, we could say half empty.

But we could say half full.

I say, you say half full, because the water is half way from the top in the bottle.

Well done.

All right, what about the one below it? How much water is in this bottle? If you said it's empty, way to go friends! There is no water in that bottle.

So we can say empty.

I say, you say empty.

Well done.

And then our very last one on the end.

How could we describe the water in this bottle? If you said full, well done friends.

That bottle can't take any more water, can it? It's at its full capacity.

Well done everyone.

I say, you say full.

All right, now Harold tells me that he's brought a friend with him today.

Is that right Harold? And apparently, they've been having a little bit of a disagreement.

So we're hoping that you know so much about capacity now, that you could help us out a bit.

Do you think you could help them solve their disagreement? Perfect.

Okay, so Harold, who's your friend? Oh, its Nelly the elephant.

Here's Nelly.

Say hi to everyone Nelly.

All right, well, Nelly and Harold seem to be having a little bit of a disagreement.

Is that right? Can you look at those containers Harold and Nelly and we can see what they've been arguing about.

All right, so, we've got this vase here and this vase.

Now, the reason that they were having disagreement was that Harold says that this vase is going to hold more water in it.

So if we put some flowers in it, it's going to keep it alive longer.

It's going to hold more water in it because it's a wider vase at the bottom and it will hold more water.

Okay.

Now nelly says," Well no that's not true because this vase is taller, so its going to hold more water." Hmm, what do you think? What's your prediction? Do you think the vase that's shorter and wider will hold more water? Or, do you think the vase that is taller and thinner is going to hold more water? All right, well, I'm not sure who's right everyone.

What do we think? Is Harold going to be right? Or, is Nelly going to be right? We're going to test it out in a minute, but we want you to have a go at pausing the video, and seeing which container do you think is going to hold the most water and why.

Okay, so, I've got my short vase that's wide, and I've got my tall vase that is thin.

And what I'm going to do is I'm going to fill this purple cup up with water and see how many cups it takes to fill each of the containers all the way to the top.

So I'm going to fill it up, and then we're going to count together as we go.

Okay, so I've got.

One.

Two.

Oops, spilling.

Three.

Four.

We're still going, my goodness.

Five.

Oh, I think we can fit one more in there.

And six.

All right, so that is right up to the top.

Can you see it? So it took six of these purple cups to fill this vase all the way to the top.

I wonder how many it's going to take to fill this one.

Okay, let's try this one now.

This one's going to be a little bit trick to pour into.

So we've got one.

I'm making a big mess here.

Harold will have to help me clean up after.

Okay, so, so far we've had one cup.

Two.

And- oh goodness, I can't even fill up the third cup.

Wow! So, who was right in the end? It didn't even take three cups to fill up this vase.

But this one took six whole cups.

So, that means that this vase, even though it is taller, because its thinner, its capacity is less.

It can't hold as much water in this container as this one.

This one's got a larger capacity because its wider.

All right now, for your main task we would like you to have a go at this.

So you're going to need to get your own cup.

Doesn't matter the shape of it or the size, but its going to be the one that you're going to estimate.

Okay, so you're going to have one cup that you are always going to fill up and pour water from, okay? Then, you're going to get a few different containers that your parent or carer says is okay to use, and first we want you to estimate, or guess, how many cups it will take to fill up that tea cup, that jug, that jar, okay? So you're going to make guess first.

So you might say, "I think this container will hold six cups of water." And the you're going to test it out.

You're going to pour the water in and count how many cups and see if you're close.

We want to see good your estimating skills can be.

All right, pause the video, have a go at that, and then we'll come back together everyone.

All right, how did your main task go everyone? Were you able to do some good estimating as to how many cups could fill some of your different containers? Were any of your estimates close? Well, it looks like Nelly's had to go because Harold got Nelly all soaked with water.

We've got a big mess to clean up.

So unfortunately, that all we have time for today.

But, we're sure that if you took some photos of your learning today, with all of your estimating, and pouring in the water in the containers, that your teacher would love to see all the great effort you've been up to today.

And of course, Harold and I, and Nelly, once she dries off a bit, would love to see your learning as well.

So if you'd like, you can ask a parent or carer to share it with us on our social media here at Oak.

All right everyone, we hope you enjoyed this lesson and we'll see you net time.