4th Grade Fractions Review

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 decompose a fraction into unit fractions?

Back

To decompose a fraction, you express it as a sum of unit fractions that add up to the original fraction. For example, 4/5 can be decomposed into 1/5 + 1/5 + 1/5 + 1/5.

Front

What does it mean for two fractions to be equivalent?

Back

Two fractions are equivalent if they represent the same value, even if they have different numerators and denominators. For example, 4/12 is equivalent to 1/3.

Front

How do you add fractions with the same denominator?

Back

To add fractions with the same denominator, you add the numerators and keep the denominator the same. For example, 2/3 + 2/3 = (2+2)/3 = 4/3.

Front

What is the process for simplifying a fraction?

Back

To simplify a fraction, divide both the numerator and the denominator by their greatest common divisor (GCD). For example, to simplify 4/12, divide both by 4 to get 1/3.

Front

How do you compare two fractions?

Back

To compare two fractions, you can find a common denominator or convert them to decimals. You can also use cross-multiplication to determine which fraction is larger.

Front

What is the result of adding 2/3 and 2/3 in simplest form?

Back

The result of adding 2/3 and 2/3 is 4/3, which can also be expressed as 1 1/3.

Front

How do you represent fractions on a number line?

Back

To represent fractions on a number line, divide the line into equal parts based on the denominator and mark the appropriate number of parts based on the numerator.

Front

What is the relationship between 3/4 and 3/5?

Back

3/4 is greater than 3/5, as shown by comparing their values or using a number line.

Front

What does it mean for a fraction to be in simplest form?

Back

A fraction is in simplest form when the numerator and denominator have no common factors other than 1.