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

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 as many times as the whole number indicates.

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 3/4 x 12?

Back

9 (because 3 x 12 = 36 and 36/4 = 9).

Front

What is the result of 1/3 x 9?

Back

3 (because 1 x 9 = 9 and 9/3 = 3).

Front

What is 3/10 x 3?

Back

9/10 (because 3 x 3 = 9 and the denominator remains 10).

Front

What is 1/2 x 7?

Back

3 1/2 (because 1 x 7 = 7 and 7/2 = 3 1/2).

Front

What is the formula for multiplying fractions?

Back

(a/b) x c = (a x c)/b.

Front

If you have 1/6 of a pizza and you want to find out how much pizza you have if you have 4 of those pieces, what do you do?

Back

Multiply 1/6 by 4 to get 4/6 of the pizza.

Front

What is the simplest form of 4/6?

Back

2/3 (by dividing both the numerator and denominator by 2).