Multiplying Fractions by Whole Numbers with Models

Front

What is a fraction?

Back

A fraction represents a part of a whole, consisting of a numerator (top number) and a denominator (bottom number).

Front

What does it mean to multiply a fraction by a whole number?

Back

Multiplying a fraction by a whole number means you are taking that fraction and adding it to itself a certain number of times.

Front

How do you visualize multiplying fractions with models?

Back

You can use area models or number lines to show how a fraction is multiplied by a whole number.

Front

What is the product of 1/2 and 4?

Back

The product is 2, because 1/2 of 4 is 2.

Front

If you have 3/4 of a pizza and you want to find out how much that is for 3 people, what do you do?

Back

Multiply 3/4 by 3, which equals 9/4 or 2 1/4 pizzas.

Front

What is the equation for multiplying a fraction by a whole number?

Back

The equation is: Whole Number x Fraction = Product.

Front

What is an example of a model for 2 x 1/3?

Back

You can draw 2 groups of 1/3 to show that 2 x 1/3 equals 2/3.

Front

How do you convert an improper fraction to a mixed number?

Back

Divide the numerator by the denominator; the quotient is the whole number, and the remainder is the new numerator.

Front

What is 5 x 1/3?

Back

The answer is 5/3 or 1 2/3.

Front

What does the denominator tell you in a fraction?

Back

The denominator tells you how many equal parts the whole is divided into.