Multiplying Mixed Numbers by Whole Numbers Flashcard

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction, such as 2 1/2.

Front

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

Back

Multiply the whole number by the denominator, add the numerator, and place that over the original denominator. For example, 2 1/2 becomes (2*2 + 1)/2 = 5/2.

Front

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

Back

Convert the mixed number to an improper fraction.

Front

If you multiply a fraction by a whole number, what do you do with the numerator?

Back

Multiply the numerator of the fraction by the whole number.

Front

What is the result of multiplying 3 1/3 by 5?

Back

16 2/3 cups.

Front

How do you find the total amount when multiplying a mixed number by a whole number?

Back

Convert the mixed number to an improper fraction, multiply by the whole number, and simplify if necessary.

Front

What is the improper fraction for 2 1/2?

Back

5/2.

Front

If a recipe calls for 2 1/2 cups of flour and you want to make 3 batches, how much flour do you need?

Back

7 1/2 cups.

Front

How many cookies are in 8 boxes if each box contains 2 1/2 dozen cookies?

Back

240 cookies.

Front

If you have 4 whole pizzas cut into 3 equal slices each, how many slices do you have?

Back

12 slices.