4.3E Word Problems Fractions

Front

What is a fraction?

Back

A fraction represents a part of a whole. It consists of a numerator (top number) and a denominator (bottom number). For example, 1/2 means one part out of two equal parts.

Front

What does the numerator in a fraction represent?

Back

The numerator is the top number in a fraction and represents how many parts we have.

Front

What does the denominator in a fraction represent?

Back

The denominator is the bottom number in a fraction and represents the total number of equal parts in the whole.

Front

How do you add fractions with the same denominator?

Back

To add fractions with the same denominator, keep the denominator the same and add the numerators. For example, 1/4 + 2/4 = (1+2)/4 = 3/4.

Front

How do you subtract fractions with the same denominator?

Back

To subtract fractions with the same denominator, keep the denominator the same and subtract the numerators. For example, 3/5 - 1/5 = (3-1)/5 = 2/5.

Front

What is the first step to add fractions with different denominators?

Back

The first step is to find a common denominator, which is a number that both denominators can divide into evenly.

Front

What is a word problem involving fractions?

Back

A word problem involving fractions is a mathematical question presented in a narrative form that requires the use of fractions to solve. For example, 'If you have 3/4 of a pizza and eat 1/4, how much pizza do you have left?'

Front

How do you solve a word problem with fractions?

Back

To solve a word problem with fractions, read the problem carefully, identify the fractions involved, determine what is being asked, and perform the necessary operations (addition, subtraction, etc.).

Front

What is an example of a fraction in real life?

Back

An example of a fraction in real life is when you cut a cake into 8 equal pieces and eat 3 pieces. You have eaten 3/8 of the cake.

Front

What does it mean to simplify a fraction?

Back

To simplify a fraction means to reduce it to its lowest terms, where the numerator and denominator have no common factors other than 1. For example, 4/8 simplifies to 1/2.