Changing Addition and Subtraction Equations Integers

Changing the order of the numbers in an addition or multiplication equation will not change the result.  This is an illustration of which of the following properties?

• Commutative 

• Associative

• Inverse

• Closure

-50 - (-22) =

• -28

• -72

• 28

• 72

38 - 13 =

• 25

• -25

• 51

• -51

23 - 47 + 18 - (-12) =

• 6

• -18

• 56

-43 - 10 =

• -53

• 53

• 33

• -33

A mathematical sentence that shows that two expressions are equivalent is called a _____.
Spelling Matters!

A value or values that make an equation true are called (a)   .

• Solution of an Equation

• Equation

• Additive Inverse

• Division Property of Equality

The property that states that if you subtract the same number from both sides of an equation, the new equation will have the same solution is the (a)   .

• Subtraction Property of Equality

• Addition Property of Equality

• Distributive Property

• Additive Inverse

The property that states that if you add the same number to both sides of an equation, the new equation will have the same solution.

• Addition Property of Equality

• Addition Property of Opposites

• Associative Property of Addition

• Commutative Property of Addition

Operations that undo each other: addition and subtraction, or multiplication and division.

• Inverse Operations

• Substitute

• Addition Property of Opposites

• Subtraction Property of Equality