Unit Test Operations, Powers, Prime factorization, GCF, LCM

Front

What is the LCM (Least Common Multiple)?

Back

The LCM of two or more numbers is the smallest multiple that is exactly divisible by each of the numbers.

Front

How do you find the LCM of two numbers?

Back

To find the LCM, list the multiples of each number and identify the smallest multiple that appears in both lists.

Front

What is the GCF (Greatest Common Factor)?

Back

The GCF of two or more numbers is the largest factor that divides each of the numbers without leaving a remainder.

Front

How do you find the GCF of two numbers?

Back

To find the GCF, list the factors of each number and identify the largest factor that appears in both lists.

Front

What does it mean for a number to be prime?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

Tags

CCSS.4.OA.B.4

Front

Is 66 a prime number?

Back

No, 66 is not a prime number because it has divisors other than 1 and 66 (e.g., 2, 3, 6, 11, 22, 33).

Tags

CCSS.4.OA.B.4

Front

What operation would you use to find the height of each story in a building that is 72 feet tall and has 6 stories?

Back

You would use division to find the height of each story.

Tags

CCSS.3.OA.A.3

Front

What is the order of operations in mathematics?

Back

The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Tags

CCSS.7.NS.A.3

Front

What is the result of dividing 72 by 6?

Back

The result is 12.

Tags

CCSS.3.OA.B.6

Front

What is the prime factorization of 28?

Back

The prime factorization of 28 is 2 x 2 x 7 or 2^2 x 7.