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$What is the bottom number of a fraction - Fast And Easy Math Learning Videos$

What is the bottom number of a fraction - Fast And Easy Math Learning Videos Teacherflix 6 Views • 2 years ago

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Title: What is the bottom number of a fraction - Fast And Easy Math Learning Videos

In this lesson, you will begin to learn about fractions. Fractions are used to describe the PARTS of whole units. A fraction is written like this:
In this lesson, you'll learn about the BOTTOM number of a fraction.
To create a fraction we divide a whole unit into equal parts. The BOTTOM number of a fraction tells us the number of equal parts in each whole unit. Here's an example. This box is one whole unit. We'll divide the box into four equal parts...
Since the parts are equal each part is a fraction of the whole unit. There are four equal parts in all, so the BOTTOM number of each fraction is four.
In this example there are three whole units.
One.
Two.
Three.
Each whole unit is exactly the same size. When whole units are the same size we can divide them into fractions. Each of these whole units is still divided into four equal parts.
Here’s another way of looking at the equal parts of whole units or fractions. There are six whole units and each whole unit is divided into two equal parts. We can put the whole units together like this.
Each whole unit is now a line instead of a box. The tallest line show the beginning and end of each whole unit.
We’ve just created a number line. A number line is another way to show fractions which are just equal parts of whole units.
Notice this arrow.
The arrow points to one of the fractions on the number line.
You’ll learn to write the name for fractions like this. For this lesson you will ONLY write the BOTTOM number of the fraction.
In this example there are two equal parts in each whole unit.
So the bottom number for this fraction, is two
Here’s a different fraction on the same number line.
Each whole unit is still divided into two equal parts so the bottom number for this fraction is also two.
Here’s another example. There are FOUR parts in each whole unit, so the bottom number for this fraction is four.
The bottom number for this fraction is also 4.
And the bottom number for this fraction is also 4. For any fraction on this number line the bottom number will always be four since each whole unit has four equal parts.
In the remainder of this lesson you will write the bottom number for the fraction shown by the arrow on a number line like these.

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https://youtu.be/OjsCQEJBFSY