Estimating Fraction Sums and Differences

Front

What is the process of estimating the sum of two fractions?

Back

To estimate the sum of two fractions, round each fraction to the nearest whole number or simple fraction, then add the rounded values.

Front

How do you estimate the difference between two fractions?

Back

To estimate the difference between two fractions, round each fraction to the nearest whole number or simple fraction, then subtract the rounded values.

Front

What is a proper fraction?

Back

A proper fraction is a fraction where the numerator is less than the denominator.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is an improper fraction?

Back

An improper fraction is a fraction where the numerator is greater than or equal to the denominator.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a proper fraction.

Tags

CCSS.3.NF.A.3C

Front

How do you convert an improper fraction to a mixed number?

Back

To convert an improper fraction to a mixed number, divide the numerator by the denominator to find the whole number, and use the remainder as the new numerator over the original denominator.

Front

What is the least common denominator (LCD)?

Back

The least common denominator (LCD) is the smallest multiple that is common to the denominators of two or more fractions.

Front

How can you find the least common denominator of 3/4 and 5/6?

Back

The least common denominator of 3/4 and 5/6 is 12, as it is the smallest multiple of both 4 and 6.

Front

What is the first step in adding fractions with different denominators?

Back

The first step in adding fractions with different denominators is to find a common denominator.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the importance of estimating in fraction operations?

Back

Estimating in fraction operations helps to quickly assess the reasonableness of an answer and simplifies calculations.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2