Math Spiral Review 5.3E,G, 5.3K Fractions

Front

What is a fraction?

Back

A fraction represents a part of a whole and is written as 'a/b', where 'a' is the numerator (the number of parts) and 'b' is the denominator (the total number of equal parts).

Front

How do you add fractions with different denominators?

Back

To add fractions with different denominators, first find a common denominator, convert the fractions, and then add the numerators.

Front

What is the process to divide a fraction by a whole number?

Back

To divide a fraction by a whole number, multiply the denominator of the fraction by the whole number.

Front

What is the least common multiple (LCM)?

Back

The least common multiple (LCM) is the smallest multiple that two or more numbers share.

Front

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

Back

To convert a mixed number to an improper fraction, multiply the whole number by the denominator, add the numerator, and place that result over the original denominator.

Front

What is the formula to find the total cost of multiple items?

Back

Total Cost = Number of Items × Cost per Item.

Front

How do you find the average of a set of numbers?

Back

To find the average, add all the numbers together and then divide by the total count of the numbers.

Front

What is a decimal?

Back

A decimal is a way of representing fractions in a base-10 system, using a point to separate the whole number from the fractional part.

Front

How do you multiply fractions?

Back

To multiply fractions, multiply the numerators together and the denominators together.

Front

What is the relationship between fractions and division?

Back

Fractions can be interpreted as division; for example, 'a/b' means 'a divided by b'.