Understand a multiple of a/b as a multiple of 1/b, and use this understanding to multiply a fraction by a whole number.
Multiplying Fractions by Whole Numbers is a free educational video by Skubes ed.It helps students in grades 4 practice the following standards 4.NF.B.3.
1. 4.NF.B.3 : Understand a fraction a/b with a > 1 as a sum of fractions 1/b. (Grade 4 expectations in this domain are limited to fractions with denominators 2, 3, 4, 5, 6, 8, 10, 12, and 100.).