MO.N. Number and Operations
N.1. Understand numbers, ways of representing numbers, relationships among numbers and number systems.
N.1.A. Read, write and compare numbers
N.1.A.1. Apply and understand whole numbers to millions, fractions and decimals to the thousandths (including location on a number line) (DOK 1; MA5 1.10)
N.3. Compute fluently and make reasonable estimates.
N.3.E. Use proportional reasoning
N.3.E.1. Solve problems using ratios and rates (DOK 2; MA1 3.2)