Number and Operations—FractionsBuild fractions from unit fractions by applying and extending previous understandings of operations on whole numbers.4Apply and extend previous understandings of multiplication to multiply a fraction by a whole number.cSolve word problems involving multiplication of a fraction by a whole number, e.g., by using visual fraction models and equations to represent the problem. For example, if each person at a party will eat 3/8 of a pound of roast beef, and there will be 5 people at the party, how many pounds of roast beef will be needed? Between what two whole numbers does your answer lie?