Multiplying and Dividing Whole Numbers with Unit Fractions

Front

What is a unit fraction?

Back

A unit fraction is a fraction where the numerator is 1 and the denominator is a positive integer, such as 1/2, 1/3, or 1/4.

Front

How do you multiply a whole number by a unit fraction?

Back

To multiply a whole number by a unit fraction, multiply the whole number by the numerator and then divide by the denominator. For example, 3 × 1/4 = 3 × 1 ÷ 4 = 3/4.

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 an improper fraction to a mixed number?

Back

To convert an improper fraction to a mixed number, divide the numerator by the denominator. The quotient is the whole number, and the remainder is the new numerator over the original denominator.

Front

What is the result of multiplying 3 by 5/6?

Back

The result is 2 3/6.

Front

If Jason has 2 cups of muffin batter and uses 1/4 for each muffin, how many muffins can he make?

Back

He can make 8 muffins.

Front

What fraction of a whole pineapple does each friend get if two friends share 1/2 of a pineapple equally?

Back

Each friend gets 1/4 of a whole pineapple.

Front

How do you divide a fraction by a whole number?

Back

To divide a fraction by a whole number, multiply the denominator of the fraction by the whole number. For example, 1/2 ÷ 2 = 1/(2×2) = 1/4.

Front

What is the result of dividing 1/5 of a yard of plastic pipe into 2 equal pieces?

Back

Each piece is 1/10 yard.

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 and keep the denominator the same. For example, 5 × 4/6 = 20/6 or 3 2/6.