Ch. 3 Vocab Study Guide

Front

The number that is a result of multiplying two or more factors.

Back

Product

Front

A letter, such as x, that represents a number in an expression or an equation.

Back

Variable

Front

To give an approximate value rather than an exact answer.

Back

Estimate

Front

A number with one or more places to the right of a decimal point.

Back

Decimal

Front

Multiplying a sum or difference by a number is the same as multiplying each number in the sum or difference by the number and adding or subtracting the products.

Back

Distributive Property

Front

A number sentence that uses an equal sign to show that two expressions have the same value.

Back

Equation

Front

The product of any number and one is that number.

Back

Identity Property

Front

An estimate that is greater than the actual answer.

Back

Overestimate

Front

An estimate that is less than the actual answer.

Back

Underestimate

Front

The position of a digit in a number that is used to determine the value of the digit

Back

Place Value