Dividing Unit Fractions by Whole Numbers

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 unit fraction by a whole number?

Back

To divide a unit fraction by a whole number, multiply the denominator of the fraction by the whole number. For example, 1/3 ÷ 2 = 1/(3×2) = 1/6.

Front

What is the result of 1/4 ÷ 2?

Back

1/4 ÷ 2 = 1/(4×2) = 1/8.

Front

If you have 1/3 of a pizza and share it with 3 friends, how much does each friend get?

Back

1/3 ÷ 3 = 1/(3×3) = 1/9 of the pizza.

Front

What does it mean to share a fraction equally?

Back

Sharing a fraction equally means dividing that fraction into equal parts among a certain number of people or groups.

Front

What is the answer to 1/6 ÷ 3?

Back

1/6 ÷ 3 = 1/(6×3) = 1/18.

Front

How can you visualize dividing a unit fraction by a whole number?

Back

You can visualize it by drawing a shape (like a circle) and dividing it into equal parts according to the whole number.

Front

What is the fraction of a whole if 1/2 of it is shared by 2 people?

Back

1/2 ÷ 2 = 1/(2×2) = 1/4 of the whole.

Front

If 1/3 of a cake is left and 4 people want to share it, how much does each person get?

Back

1/3 ÷ 4 = 1/(3×4) = 1/12 of the cake.

Front

What is the principle behind dividing fractions?

Back

The principle is that dividing by a whole number is the same as multiplying the denominator of the fraction by that whole number.