Math Skills

Front

What is the GCF (Greatest Common Factor)?

Back

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

Front

How do you find the GCF of two numbers?

Back

List the factors of each number and find the largest factor they have in common.

Front

What is a prime number?

Back

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

Front

Is 1 a prime number?

Back

No, 1 is not considered a prime number.

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between numbers.

Front

How do you solve for a missing number in a ratio?

Back

Cross-multiply and then divide to find the missing number.

Front

What is the absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction.

Front

How do you calculate change from a purchase?

Back

Subtract the total cost from the amount paid to find the change.

Front

What is a percentage?

Back

A percentage is a fraction expressed as a part of 100.

Front

How do you convert a fraction to a percentage?

Back

Divide the numerator by the denominator and multiply by 100.