Preparing Tomato Sauce (Part 1) (Multiply a whole number by a mixed number)

Luka is preparing his grandma's favorite tomato sauce and needs to triple the recipe. The video explains how to multiply a mixed number by a whole number by first converting the mixed number into an improper fraction. It details the process of conversion and provides a shortcut method for efficiency.

What is the expression used to represent Luka's decision to triple the tomato sauce recipe?

• 2 and 3/4 times 2

• 3 and 3/4 times 2

• 2 and 3/4 times 3

• 3 and 2/4 times 3

What is a mixed number?

• A number with only a whole number

• A number with a whole number and a proper fraction

• A number with only a fraction

• A number with a whole number and an improper fraction

What is the first step in multiplying a mixed number by a whole number?

• Multiply the whole number by the fraction

• Divide the whole number by the fraction

• Add the whole number to the fraction

• Convert the mixed number to an improper fraction

How do you convert 2 and 3/4 into an improper fraction?

• Multiply 3 by 4 and add 2

• Multiply 2 by 4 and add 3

• Multiply 2 by 3 and add 4

• Multiply 4 by 2 and add 3

What is the improper fraction form of 2 and 3/4?

• 9/4

• 12/4

• 10/4

• 11/4