Apply properties of operations as strategies to multiply and divide rational numbers.
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 rational numbers flexibly, accurately, and efficiently
Apply and extend previous understandings of multiplication and division and of fractions to multiply and divide rational numbers including integers.