Chapter 2 Math Vocab

The property which states that the order in which two numbers are added does not change the sum.

• Commutative Property

• Associative Property

• Identity Property

• Subtraction Rule

The property which states that the grouping of the addends does not change the sum.

• Commutative Property

• Associative Property

• Identity Property

• Subtraction Rule

For any number, zero plus that number is the number.

• Commutative Property

• Associative Property

• Identity Property

• Subtraction Rule

A sentence that contains an equals sign (=), showing that two expressions are equal.

• equation

• variable

• unknown

• subtrahend

The second number in a subtraction problem and it is number subtracted from another number.

• equation

• unknown

• minuend

• subtrahend

The first number and it is the number from which another number is subtracted.

• equation

• unknown

• minuend

• subtrahend

A letter or symbol used to represent an unknown quantity.

• equation

• variable

• unknown

• subtrahend

An amount that has not been identified.

• unknown

• variable

• equation

• minuend