Topic 3 Test

Front

What is the greatest common factor (GCF)?

Back

The greatest common factor (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 84 and 70?

Back

The GCF of 84 and 70 is 14.

Front

What is the least common multiple (LCM)?

Back

The least common multiple (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 15 and 21?

Back

The LCM of 15 and 21 is 105.

Front

What is the formula for the perimeter of a rectangle?

Back

The perimeter P of a rectangle is given by the formula P = 2l + 2w, where l is the length and w is the width.

Front

Evaluate the perimeter for l = 5.2 and w = 6.7.

Back

The perimeter is 23.8.

Front

What is a numerical expression?

Back

A numerical expression is a mathematical phrase that includes numbers and operations but does not have an equal sign.

Front

Back

The result is 12.

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols.

Front

How do you represent the cost per person for 6 people sharing a total cost of d per person and $13 for popcorn?

Back