Illustrate and explain calculations by using equations, rectangular arrays, and/or area models.

Number Sense, Properties, and Operations

- Are fluent with basic numerical and symbolic facts and algorithms, and are able to select and use appropriate (mental math, paper and pencil, and technology) methods based on an understanding of their efficiency, precision, and transparency
Formulate, represent, and use algorithms with multi-digit whole numbers and decimals with flexibility, accuracy, and efficiency

Find whole-number quotients of whole numbers.