Understand a multiple of π/π as a multiple of 1/π, and use this understanding to multiply a fraction by a whole number.

Number and Operations-Fractions

Build fractions from unit fractions by applying and extending previous understandings of operations on whole numbers (limited to denominators 2, 3, 4, 5, 6, 8, 10, 12, and 100).

Apply and extend an understanding of multiplication by multiplying a whole number and a fraction.