Divide Whole Numbers by unit fractions interventions

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. For example, to divide 6 by 1/3, calculate 6 * 3 = 18.

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 1/4 is 4/1.

Front

If you have 12 pints of milk and want to serve 1/3 pint per serving, how many servings can you make?

Back

12 ÷ 1/3 = 12 * 3 = 36 servings.

Front

What does it mean to share a fraction equally?

Back

Sharing a fraction equally means dividing that fraction into equal parts. For example, sharing 1/2 of a pizza between 2 people means each person gets 1/4 of the pizza.

Front

If Francesca has 7 pounds of chocolate and gives 1/2 pound to each friend, how many friends can she give chocolate to?

Back

7 ÷ 1/2 = 7 * 2 = 14 friends.

Front

What is the result of dividing a whole number by a fraction?

Back

Dividing a whole number by a fraction is the same as multiplying the whole number by the reciprocal of that fraction.

Front

How much weight would each trip carry if 1/6 ton is split equally among 4 trips?

Back

1/6 ÷ 4 = 1/6 * 1/4 = 1/24 ton per trip.

Front

If Spencer has 1/3 pound of nuts and divides it into 4 bags, how much is in each bag?

Back

1/3 ÷ 4 = 1/3 * 1/4 = 1/12 pound in each bag.

Front

What is the formula to find out how many servings can be made from a whole number when divided by a unit fraction?

Back

The formula is: Whole Number ÷ Unit Fraction = Whole Number * (Denominator of Unit Fraction / Numerator of Unit Fraction).