Topic 3 Review #1 - GE

Front

What is the least common multiple (LCM)?

Back

The least common multiple (LCM) of two or more integers is the smallest positive integer that is divisible by each of the integers.

Front

How do you find the least common multiple of two numbers?

Back

To find the least common multiple of two numbers, list the multiples of each number and identify the smallest multiple that appears in both lists.

Front

What is the greatest common factor (GCF)?

Back

The greatest common factor (GCF) of two or more integers is the largest positive integer that divides each of the integers without leaving a remainder.

Front

How do you find the greatest common factor of two numbers?

Back

To find the greatest common factor of two numbers, list the factors of each number and identify the largest factor that appears in both lists.

Front

What is the order of operations in mathematics?

Back

The order of operations is a set of rules that determines the sequence in which calculations are performed, typically remembered by the acronym PEMDAS (Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right)).

Front

What is the result of 5 + 4 × 2 according to the order of operations?

Back

According to the order of operations, the result of 5 + 4 × 2 is 13.

Front

What is the result of 18 ÷ 3 × 2 according to the order of operations?

Back

According to the order of operations, the result of 18 ÷ 3 × 2 is 12.

Front

What is a practical application of finding the least common multiple?

Back

Finding the least common multiple is useful in solving problems involving synchronization of events, such as determining when two repeating events will coincide.

Front

What is a practical application of finding the greatest common factor?

Back

Finding the greatest common factor is useful in simplifying fractions and determining the largest size of groups that can be formed without leftovers.

Front

How can you use LCM to solve problems involving buying items in packs?

Back

You can use LCM to determine the least number of items needed to ensure that two different items bought in packs will have the same total quantity.