Properties of Addition

Properties of Addition

I can use the addition properties to show relationships that always hold true.

Why do I need to know addition properties?

• Learning the properties of addition will help you complete basic addition facts more easily. 

How will we learn about the properties?

• Define the properties.

• Look at some examples for each property.

• Use the properties to help solve problems.

What are the parts of an addition sentence or equation?

Addends are the numbers we add together.

The answer we get when we add is the sum.

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Multiple Choice

Which addition property can we use to solve this problem?

4 + 5 = ____ + 4

• Commutative Property (order)

• Association Property (grouping)

• Identity Property (zero)

Multiple Choice

Which addition property can we use to solve this problem?

10 + (9 + 1) = (10 + ___) + 1

• Commutative Property (order)

• Association Property (grouping)

• Identity Property (zero)

Multiple Choice

Which addition property can we use to solve this problem?

84 + 0 = ____

• Commutative Property (order)

• Association Property (grouping)

• Identity Property (zero)