Ratios Module 1: Lesson 2.

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Presentation transcript:

Ratios Module 1: Lesson 2

Ratios and Rates Objective: Students will learn to write ratios and rates 3 different ways, so they are able to find unit rates. Ratios will show us how we compare 2 wholes, 2 parts, and wholes and parts

Vocabulary Ratio: is when we compare 2 different groups (or numbers) using division symbols.

When writing ratios it is very important that the 1st item is listed First too! RIGHT WRONG 6:2 2:6

The Ratio of Flutes to Clarinets is: At Orion Junior High band has: 1 Harp 6 Horns Flutes 2 Trombones Reeds 5 Drums 4 Clarinets 9 Basses The Ratio of Flutes to Clarinets is: 5 5 to 4 5:4 4

The Ratio of Reeds to Basses is: At Orion Junior High band has: 1 Harp 6 Horns Flutes 2 Trombones Reeds 5 Drums 4 Clarinets 9 Basses The Ratio of Reeds to Basses is: 8 8 to 9 8:9 9

The Ratio of Horns to all Instruments is: At Orion Junior High band has: 1 Harp 6 Horns Flutes 2 Trombones Reeds 5 Drums 4 Clarinets 9 Basses The Ratio of Horns to all Instruments is: to :

The Ratio of all Instruments to Drums: At Orion Junior High band has: 1 Harp 6 Horns Flutes 2 Trombones Reeds 5 Drums 4 Clarinets 9 Basses The Ratio of all Instruments to Drums: to :

show how the pattern stays the same as it increases or decreases. When we have equivalent ratios we can use multiplication and division to show how the pattern stays the same as it increases or decreases. 4:6 How can we build this pattern? 8:12 How can we make that first Pattern smaller? 2:3

Show 6 other Equivalent fractions to compare the number of spades by the number of hearts shown. :

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