Properties of Addition

What property of addition would I use in the following problem:

2/3 + 1/2 + 1/3

• commutative property

• associative property

What property of addition would I use in the following problem:

2/5 + 1/6 + 4/5

• commutative property

• associative property

What property of addition would I use in the following problem:

( 1/2 + 8/9 ) + 2/9

• commutative property

• associative property

What property of addition would I use in the following problem:

7/10 + 1/4 + 3/10 + 8/10

• commutative property

• associative property

What property of addition would I use in the following problem:

10/12 + ( 9/12 + 4/13 )

• commutative property

• associative property

How would I use associative property for the following problem:

( 2/5 + 3/7 ) + 4/7

• 2/5 + ( 3/7 + 4/7 )

• 2/5 + 3/7 + 4/7

• (2/5 + 4/7 ) + 3/7

How would I use commutative property for the following problem:

6/15 + 7/11 + 4/15

• 6/15 + 4/15 + 7/11

• ( 6/15 + 7/11 ) + 4/15

I use the commutative property to move the

I use the associative property to move the

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