Unit Fraction Division

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 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 ÷ 4 = 1/2 × 1/4 = 1/8.

Front

If you have 1/2 pound of worms and divide it among 4 people, how much does each person get?

Back

Each person gets 1/8 pound of worms.

Front

How do you find out how many times a unit fraction fits into a whole number?

Back

To find out how many times a unit fraction fits into a whole number, divide the whole number by the unit fraction. For example, 1 ÷ (1/4) = 4.

Front

If Asher eats 1/4 pound of cookies every day from a 4 pound bag, how long will it last?

Back

It will last 16 days.

Front

What is the process to determine how many portions you can make from a total weight using a unit fraction?

Back

Divide the total weight by the weight of each portion. For example, 5 pounds ÷ (1/6 pound) = 30 portions.

Front

If Xavi reads 1/8 of a book each day, how long will it take him to read 20 books?

Back

It will take him 160 days.

Front

How many glasses of lemonade can be poured from 8 quarts if each glass holds 1/4 quart?

Back

You can pour 32 glasses of lemonade.

Front

What is the formula for dividing fractions?

Back

To divide fractions, multiply by the reciprocal of the divisor. For example, a/b ÷ c/d = a/b × d/c.

Front

If you have 5 pounds of trail mix and want to separate it into 1/6 pound portions, how many portions can you make?

Back

You can make 30 portions.