fantastic fractions
TRANSCRIPT
Blast Off With Fractions
What is a fraction?
A fraction is a part of an entire
object.
But first, let’s look back at
whole numbers!
How do we represent whole numbers?
• We can show this on a number line
• We can show this with a circle.
Okay, so how do I show fractions?
Let’s look at an example!
• This number line represents one fourth
• This circle also represents one fourth!
Let’s look at the parts of a fraction.
12
NUMERATOR
DENOMINATOR
The Numerator shows what part of the whole is being used
The Denominator shows how many pieces make up the whole!
Here are some more examples!
• This line represents one half or 1
2
This circle also represents 1
2
And a few more…
• This line represents 3
4
• This circle also represents 3
4
The Numerator and Denominator
The denominator has been increased to 5. As the denominator increases, the fraction
decreases in size.
Let’s try a few examples!!
• Example 1
• Example 2
• Example 3
• 6 7
• 5 9
• 4 6
The Mixed Number
The mixed number 1 1/5 has a whole number part 1 and a fraction part 1/5.
Now you know the basics!
Time to get started on converting between mixed numbers and improper fractions!