Colorado Academic Standards (CAS)
CO.6.1. Number Sense, Properties, and Operations
6.1.1. Quantities can be expressed and compared using ratios and rates. Students can:
6.1.1.a. Apply the concept of a ratio and use ratio language to describe a ratio relationship between two quantities. (CCSS: 6.RP.1)
6.1.1.c. Use ratio and rate reasoning to solve real-world and mathematical problems. (CCSS: 6.RP.3)
6.1.1.c.i. Make tables of equivalent ratios relating quantities with whole-number measurements, find missing values in the tables, and plot the pairs of values on the coordinate plane. (CCSS: 6.RP.3a)
6.1.1.c.ii. Use tables to compare ratios. (CCSS: 6.RP.3a)