Algebra Concepts Standard 1 Practice

Front

What is the GCF (Greatest Common Factor)?

Back

The GCF of two or more numbers is the largest number that divides all of them without leaving a remainder.

Front

How do you find the GCF of 18 and 24?

Back

List the factors of each number: Factors of 18: 1, 2, 3, 6, 9, 18; Factors of 24: 1, 2, 3, 4, 6, 8, 12, 24. The GCF is 6.

Front

What is the LCM (Least Common Multiple)?

Back

The LCM of two or more numbers is the smallest number that is a multiple of all of them.

Front

How do you find the LCM of 3 and 9?

Back

List the multiples of each number: Multiples of 3: 3, 6, 9, 12, 15...; Multiples of 9: 9, 18, 27... The LCM is 9.

Front

What does 11^2 equal?

Back

11^2 = 121.

Front

What is a perfect square?

Back

A perfect square is a number that can be expressed as the product of an integer with itself.

Front

Which of the following is a perfect square: 100, 110, 120, 59?

Back

100 is a perfect square because it equals 10 x 10.

Front

What is the greatest factor of 28 and 49?

Back

The greatest factor is 7.

Front

How do you find the factors of a number?

Back

To find the factors of a number, list all integers that can divide that number without leaving a remainder.

Front

What is the prime factorization of 18?

Back

The prime factorization of 18 is 2 x 3 x 3 or 2 x 3^2.