Multiplying Fractions by Whole Numbers

Front

What is a fraction?

Back

A fraction represents a part of a whole and is written as 'a/b', where 'a' is the numerator (part) and 'b' is the denominator (whole).

Front

How do you multiply a fraction by a whole number?

Back

To multiply a fraction by a whole number, multiply the numerator of the fraction by the whole number and keep the denominator the same.

Front

What is 2 x 3/4?

Back

2 x 3/4 = 6/4 or 1 1/2.

Front

If each friend takes home 6/10 of a pound of slime, how much do 4 friends take home?

Back

4 x 6/10 = 24/10 or 2 4/10 pounds.

Front

What is the total weight of 4 jars of candy if each jar has 3/4 Ib?

Back

4 x 3/4 = 12/4 or 3 Ib.

Front

How many pizzas does Ms. Huynh buy if each student eats 1/2 a pizza and there are 18 students?

Back

18 x 1/2 = 18/2 or 9 pizzas.

Front

What does the numerator in a fraction represent?

Back

The numerator represents the number of parts you have.

Front

What does the denominator in a fraction represent?

Back

The denominator represents the total number of equal parts in a whole.

Front

If Ariel uses 15 water bottles that hold 3/4 cup each, how much water does he use?

Back

15 x 3/4 = 45/4 or 11 1/4 cups.

Front

What is the visual model for 2 x 2/6?

Back

A visual model would show 2 groups of 2/6, which can be represented as shaded parts in a bar or circle.