My Math Chapter 2 Vocabulary

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

Example: 45+ 15 = 15 + 45

• Associative Property of Addition

• Commutative Property of Addition

• Identity Property of Addition

The _________________________ states that for any number, zero plus that number IS that number.

Example: 67 + 0 = 67

• Associative Property of Addition

• Commutative Property of Addition

• Identity Property of Addition

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

Example: (12 + 45) + 10 = 12 + (45 + 10)

• Associative Property of Addition

• Commutative Property of Addition

• Identity Property of Addition

A(n) _____________________________ quantity is an amount that needs to be found.

• variable

• unknown

• equation

The first number in a subtraction sentence from which another number is subtracted is called the ____________________.

• subtrahend

• minuend

• variable

The second number in a subtraction sentence that is being subtracted from another number is the ____________________.

• minuend

• subtrahend

• variable

A(n) __________________ is a symbol, usually a letter, that represents an unknown.

• minuend

• variable

• subtrahend

A ___________________ is a number sentence that contains an equal sign (=) showing that two expressions are equal.

• variable

• unknown

• equation