Multiplying whole numbers and mixed numbers

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number. For example, 3 x 4 means adding 3 four times: 3 + 3 + 3 + 3 = 12.

Front

What is a whole number?

Back

A whole number is a number without fractions or decimals. Whole numbers include 0, 1, 2, 3, and so on.

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction. For example, 1 1/2 is a mixed number.

Front

How do you multiply a whole number by a fraction?

Back

To multiply a whole number by a fraction, multiply the whole number by the numerator (top number) of the fraction and keep the denominator (bottom number) the same. For example, 3 x 2/5 = 6/5.

Front

What is the product of 2 and 3/4?

Back

The product of 2 and 3/4 is 6/4, which simplifies to 1 1/2.

Front

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

Back

To convert a mixed number to an improper fraction, multiply the whole number by the denominator and add the numerator. For example, 1 3/4 = (1 x 4 + 3)/4 = 7/4.

Front

What is the result of multiplying 5 by 1/2?

Back

The result of multiplying 5 by 1/2 is 5/2 or 2 1/2.

Front

What is the multiplication of 3 and 2/3?

Back

The multiplication of 3 and 2/3 is 6/3, which simplifies to 2.

Front

If Margo practices for 1/4 hour each day, how many hours does she practice in a week?

Back

Margo practices for 1/4 hour each day, so in a week (7 days), she practices 7 x 1/4 = 7/4 hours or 1 3/4 hours.

Front

If Kyle eats 1/4 of a box of mints, how much does Abby eat if she eats twice as much?

Back

If Kyle eats 1/4 of a box, Abby eats 2 x 1/4 = 2/4, which simplifies to 1/2 of a box.