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.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2A

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.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2A

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.

Tags

CCSS.4.NF.B.3A

Front

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

Back

If you eat 1/3 of 1/3 of a pizza, you eat 1/9 of the whole pizza. You have 1/3 - 1/9 = 2/9 of the pizza left.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is the relationship between unit fractions and whole numbers?

Back

Unit fractions are parts of a whole. When you add unit fractions together, you can create whole numbers. For example, 1/2 + 1/2 = 1.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2A

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. For example, for 1/3 and 1/4, the LCM is 12.

Front

What is the difference between a unit fraction and a proper fraction?

Back

A unit fraction has a numerator of 1, while a proper fraction has a numerator that is less than the denominator. For example, 1/5 is a unit fraction, and 2/5 is a proper fraction.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

Can you give an example of adding two different unit fractions?

Back

Yes! Adding 1/4 and 1/6: First, find a common denominator (12). Then, convert: 1/4 = 3/12 and 1/6 = 2/12. So, 3/12 + 2/12 = 5/12.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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.

Tags

CCSS.4.NF.B.4A

CCSS.4.NF.B.4B

Front

How do you compare two unit fractions, like 1/5 and 1/6?

Back

To compare unit fractions, look at the denominators. The smaller the denominator, the larger the fraction. So, 1/5 is greater than 1/6.

Tags

CCSS.3.NF.A.3D