Multiply a whole number of up to four digits by a one-digit whole number, and multiply two two-digit numbers, using strategies based on place value and the properties of operations.

Number Sense, Properties, and Operations

- Are fluent with basic numerical, 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 to compute with flexibility, accuracy, and efficiency

Use place value understanding and properties of operations to perform multi-digit arithmetic.