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Quarters
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In this video, we will learn how to divide shapes into four equal parts, name each part as a quarter, and tell the number of quarters in a whole.
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Here’s a circle.
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We could divide the circle into four equal parts.
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Each of the parts is exactly the same size.
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We call each of these equal parts a quarter or a fourth.
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We could also divide the circle into four equal parts in this way.
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Each part is still called a quarter or a fourth.
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Has this circle been divided into four equal parts?
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It has been divided into four parts, but they’re not equal.
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These parts are not quarters.
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Remember, we can only call the parts quarters if they’re equal.
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In other words, are the parts all the same size?
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We could also divide this rectangle into four equal parts like this, like this, this way, or even this way.
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When we divide a shape into four equal parts, we call each part a quarter or a fourth.
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So, this square has been divided into quarters, and this one hasn’t because the parts are not equal.
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Let’s practice identifying quarters.
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Which shape is not cut into quarters?
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We’re shown three different shapes.
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We have to find the shape which is not cut into quarters.
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What do we know about quarters?
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When we cut a shape into four equal parts, we call each part a quarter.
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The first shape has been cut into four parts, but are they equal?
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Are they the same size?
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No, they’re not.
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Each part is a different size.
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The circle has been cut into four equal parts.
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So, has the rectangle.
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So, this is the shape which has not been cut into quarters.
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Quarters are equal parts.
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These parts are not equal.
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Pick one way to divide a rectangle into quarters.
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When we divide a shape into quarters, we’re dividing it into four equal parts.
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Which of these rectangles has been divided into four equal parts?
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The first rectangle has been divided into four parts, but they’re all different sizes.
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They’re not equal.
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The second rectangle has also been divided into four parts.
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And each part is equal in size.
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Each part is the same size.
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This is the rectangle which has been divided into quarters.
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It has four equal parts.
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Like the first rectangle, this rectangle has been divided into four parts, but each part is a different size.
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The rectangle which has been divided into quarters is the one in the middle.
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Daniel has cut this pizza into equal shares.
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How many equal shares did he cut?
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Each slice is a fourth of the pizza.
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Complete, the whole pizza is made of what fourths.
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Daniel has cut his pizza into equal shares.
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In other words, his pizza has been cut into equal parts.
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We’re being asked, how many equal parts or shares did he cut?
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There’s one, two, three, four.
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We need to complete the missing part of the sentence.
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We need to work out how many fourths there are in a whole pizza.
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If each slice of the pizza is a fourth, then the whole pizza has four fourths.
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Daniel cut his pizza into four equal shares.
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Each share is a fourth, and the whole pizza is made of four fourths.
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What have we learned in this video?
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We’ve learned how to divide shapes into four equal parts.
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And each part is called a quarter or a fourth.
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We’ve also learned that there are four quarters or four fourths in a whole.
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We took the whole shape and divided it into four equal parts.