4.3A 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. For example, 1/2, 1/3, and 1/4 are unit fractions.

Front

How do you represent a unit fraction visually?

Back

A unit fraction can be represented visually by dividing a whole into equal parts. For example, 1/4 can be shown as one part of a circle divided into four equal sections.

Front

What is the sum of two unit fractions, 1/4 and 1/4?

Back

The sum of 1/4 and 1/4 is 2/4, which simplifies to 1/2.

Front

If you have 1/3 of a pizza and you eat 1/3 of that, how much pizza do you have left?

Back

You have 1/3 - 1/9 = 2/9 of the pizza left.

Front

What is the relationship between unit fractions and whole numbers?

Back

Unit fractions are parts of a whole number. When you add unit fractions together, you can create whole numbers.

Front

How can you find a common denominator for unit fractions?

Back

To find a common denominator for unit fractions, identify the least common multiple (LCM) of the denominators.

Front

What is the unit fraction for the number 5?

Back

The unit fraction for the number 5 is 1/5.

Front

How do you compare two unit fractions, like 1/4 and 1/6?

Back

To compare unit fractions, find a common denominator or convert them to decimals. 1/4 is greater than 1/6.

Front

What happens when you multiply a unit fraction by a whole number?

Back

When you multiply a unit fraction by a whole number, you get that many parts of the whole. For example, 3 x 1/4 = 3/4.

Front

Can you add unit fractions with different denominators?

Back

Yes, you can add unit fractions with different denominators by finding a common denominator first.