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MIDDLE SCHOOL

Mathematics (Grade 7)

Ratio and Proportional Relationships

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Ratio and Proportional Relationships: Introduction to Ratios and Proportionality

Spotting Proportional Patterns

Description

Spotting Proportional Patterns
Introduction

Proportional patterns appear when two quantities change at a constant ratio. Recognizing these patterns helps identify proportional relationships and predict how one quan...

Transcript

Alex is buying mangoes for a picnic. Each mango costs $2, and he wants to buy enough for everyone.
If Alex buys one mango, it costs $2. If he buys two mangoes, the cost is $4. If he buys three mangoes, the cost is $6.
Each time Alex adds one mango, the total cost increases by $2.
This is an example of a proportional relationship, ...

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