5.NF.7 Dividing by Unit Fractions Exit TIcket

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 whole number by a unit fraction?

Back

To divide a whole number by a unit fraction, multiply the whole number by the reciprocal of the unit fraction.

Front

What is the reciprocal of a fraction?

Back

The reciprocal of a fraction is obtained by flipping the numerator and denominator. For example, the reciprocal of 1/2 is 2/1.

Front

If you have 7 meters of ribbon and cut it into 1/2 meter pieces, how many pieces do you have?

Back

14 pieces.

Front

How many one-third cup servings are in 6 cups?

Back

18 servings.

Front

If you have 2 cups of peanuts and want to know how many 1/8 cup servings that is, what do you do?

Back

You divide 2 by 1/8, which equals 16 servings.

Front

What is the three word rule for dividing fractions?

Back

Keep, Change, Reciprocate.

Front

If two friends share 1/2 of a pineapple equally, what fraction does each get?

Back

Each friend gets 1/4 of a whole pineapple.

Front

What does 'keep' mean in the context of dividing fractions?

Back

'Keep' means to keep the first fraction the same when dividing.

Front

What does 'change' mean in the context of dividing fractions?

Back

'Change' means to change the division sign to a multiplication sign.