End of Module 3 Review

Front

What is the result of multiplying any number by zero?

Back

The result is always zero.

Front

What is the result of multiplying any number by one?

Back

The result is always the number itself.

Front

If 20 x 2 = n, what is the value of n?

Back

n = 40.

Front

What equation represents the total cost if 4 friends share a cab and each pays $6?

Back

4 x 6 = c, where c is the total cost.

Front

How do you determine the amount each friend receives if Sire has 72 baseball cards and gives them to 9 friends?

Back

You divide the total number of cards by the number of friends: 72 ÷ 9 = b.

Front

What is the definition of a variable in mathematics?

Back

A variable is a symbol used to represent an unknown value.

Front

What does the equation 0 x n = n imply?

Back

This statement is false; multiplying zero by any number results in zero.

Front

What is the principle of distributive property in mathematics?

Back

The distributive property states that a(b + c) = ab + ac.

Front

What is the difference between an equation and an expression?

Back

An equation states that two expressions are equal, while an expression does not include an equality sign.

Front

What is the formula to calculate the total cost when multiple items are purchased at the same price?

Back

Total Cost = Number of Items x Price per Item.