### Component

**4.NF.4.b:** Understand a multiple of a/b as a multiple of 1/b, and use this understanding to multiply a fraction by a whole number. For example, use a visual fraction model to express 3 * (2/5) as 6 * (1/5),
recognizing this product as 6/5. (In general, n * (a/b) = (n * a)/b.)