WA.5.1. Core Content: Multi-digit division (Operations, Algebra) Students learn efficient ways to divide whole numbers. They apply what they know about division to solve problems, using estimation and mental math skills to decide whether their results are reasonable. This emphasis on division gives students a complete set of tools for adding, subtracting, multiplying, and dividing whole numbers - basic skills for everyday life and further study of mathematics.
5.1.A. Represent multi-digit division using place value models and connect the representation to the related equation.
5.1.C. Fluently and accurately divide up to a four-digit number by one- or two-digit divisors using the standard long-division algorithm.
5.1.E. Mentally divide two-digit numbers by one-digit divisors and explain the strategies used.