Understand ratio concepts and use ratio reasoning to solve problems.
Ratios and Proportional Relationships
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Understand the concept of a unit rate 𝑎/𝑏 associated with a ratio 𝑎:𝑏 with 𝑏 ≠ 0, and use rate language in the context of a ratio relationship.
Use ratio and rate reasoning to solve real-world and mathematical problems, e.g., by reasoning about tables of equivalent ratios, tape diagrams, double number line diagrams, or equations.
Understand the concept of a ratio and use ratio language to describe a ratio relationship between two quantities.