Fractions: What Are They?

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Presentation transcript:

Fractions: What Are They?

What are Fractions? Fractions are pieces of whole numbers. Whole numbers are numbers: 0, 1, 2, 3, and so on.

Creating Fractions Parts of a Fraction A fraction has two parts. 1 2

1 2 Creating Fractions Parts of a Fraction A fraction has two parts. The top number is the numerator. The numerator is the number of parts being counted The bottom number is the denominator. The denominator is the number of parts the whole has been divided into 1 2

1 2 Creating Fractions Parts of a Fraction A fraction has two parts. The top number is the numerator. The numerator is the number of parts being counted The bottom number is the denominator. The denominator is the number of parts the whole has been divided into 1 2

Example 1 For example, Long Foot and Oldest Brother split one whole buffalo

Example 1 For example, Long Foot and Oldest Brother split one whole buffalo into two parts.

Example 1 For example, Long Foot and Oldest Brother split one whole buffalo into two parts.

Example 1 How many parts of the whole have been divided?

Example 1 How many parts of the whole have been divided? Two parts

Example 1 How many parts of the whole have been divided? Two parts

Identify Fractions Two Parts Long Foot receives one part. How many parts of buffalo does Long Foot receive? Two Parts Long Foot receives one part.

Identify Fractions Two Parts Long Foot receives one part. How many parts of buffalo does Long Foot receive? Two Parts Long Foot receives one part. How would you show this in a fraction?

Identify Fractions Fractions Long Foot receives one part. How many parts of buffalo does Long Foot receive? Fractions Long Foot receives one part. How would you show this in a fraction? What is the numerator and denominator?

? ? Identify Fractions Fractions Long Foot receives one part. How many parts of buffalo does Long Foot receive? Fractions Long Foot receives one part. How would you show this in a fraction? What is the numerator and denominator? ? ?

? ? Identify Fractions Fractions Long Foot receives one part. How many parts of buffalo does Long Foot receive? Fractions Long Foot receives one part. How would you show this in a fraction? What is the numerator and denominator? ? ?

1 ? Identify Fractions Fractions Long Foot receives one part. How many parts of buffalo does Long Foot receive? Fractions Long Foot receives one part. How would you show this in a fraction? What is the numerator and denominator? 1 ?

1 ? Identify Fractions Fractions Long Foot receives one part. How many parts of buffalo does Long Foot receive? Fractions Long Foot receives one part. How would you show this in a fraction? The numerator is 1. What is the numerator and denominator? 1 ?

1 ? Identify Fractions Fractions Long Foot receives one part. How many parts of buffalo does Long Foot receive? Fractions Long Foot receives one part. How would you show this in a fraction? How many parts has the whole been divided into? What is the numerator and denominator? 1 ?

Remember How many parts of the whole have been created? Two parts

1 ? Identify Fractions Fractions Long Foot receives one part. How many parts of buffalo does Long Foot receive? Fractions Long Foot receives one part. How would you show this in a fraction? How many parts has the whole been divided into? Two parts from the whole buffalo. What is the numerator and denominator? 1 ?

1 2 Identify Fractions Fractions Long Foot receives one part. How many parts of buffalo does Long Foot receive? Fractions Long Foot receives one part. How would you show this in a fraction? How many parts has the whole been divided into? Two parts from the whole buffalo. What is the numerator and denominator? 1 2

1 2 Identify Fractions Fractions Long Foot receives one part. How many parts of buffalo does Long Foot receive? Fractions Long Foot receives one part. How would you show this in a fraction? How many parts has the whole been divided into? Two parts from the whole buffalo. The denominator is 2. What is the numerator and denominator? 1 2

Identify Fractions Two Parts Long Foot receives one part. How many parts of buffalo does Long Foot receive? Two Parts Long Foot receives one part. Another way of saying this is Long Foot receives one-half of the buffalo. One-half = 1 2

Identify Fractions Two Parts How many parts of buffalo does Long Foot receive? Two Parts Another way of saying how much buffalo Long Foot receives is “Long Foot received of the buffalo.” 1 2 1 2 1 2 Long Foot’s Portion Oldest Brother’s Portion