6.AT.A.3: Use ratio and rate reasoning to solve problems in context by reasoning about tables of equivalent ratios, tape diagrams, double number lines, or the Coordinate Plane. a. Generate, compare and find missing values of equivalent ratios and unit rates using multiple representations. b. Plot the pairs of values on the Coordinate Plane (in quadrant 1) to represent unit rates and make connections between representations. c. Use ratio reasoning to convert measurement units (e.g., money, time, length within the same system); manipulate and transform units appropriately when multiplying or dividing quantities.