Question Video: Identifying Halves and Quarters of a Shape Mathematics • 1st Grade

The rectangle can be divided into equal parts in different ways. Pick the rectangle where the equal parts are bigger. Fill in the blank: The rectangle with bigger parts is cut into _. [A] Halves. [B] Quarters.

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Video Transcript

This rectangle can be divided into equal parts in different ways. Pick the rectangle where the equal parts are bigger. Fill in the blank. The rectangle with bigger parts is cut into what. Halves or quarters?

This question is all about a rectangle. In the first picture, we can see it. We’re told that this rectangle can be divided or split up into equal parts in different ways. In the first part of the question that we need to answer, we’re given two rectangles that have already been divided into equal parts. And we need to pick the rectangle where the equal parts are bigger. Shall we shade them just to help us see? This is the size of one of the parts in the first rectangle, and this is the size of one of the parts in the second rectangle. So we can see straightaway which rectangle has equal parts that are bigger. It’s the second one, isn’t it?

Now, we’re given a sentence to complete about this rectangle. And it’s gonna help us understand why the equal parts are bigger in this rectangle. So the rectangle with bigger parts is cut into what. Let’s spend a moment and see how many pieces these rectangles have been cut into. We can see that the first rectangle, that’s the one that’s been cut into smaller parts, has been cut into four parts. And when we cut a shape into four equal parts, do you remember what we call them? We call these parts quarters, don’t we?

Now, if we look at our second rectangle, that’s the one with the bigger parts, we can see it’s only being cut once down the middle. And this has only divided the shape into two equal parts. And what do we call it when we divide a shape into two equal parts? We call them halves. The shape has been split into half. The rectangle where the equal parts are bigger is the one that’s been split into two equal parts. And we know that the more parts that you split the shape into, the smaller those parts are going to be on. And so the opposite is true, isn’t it? If we cut the rectangle into less parts, they’re going to be bigger. And that’s why the rectangle with bigger parts is cut into halves.

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