Step: 1

The commutative property of addition states that changing the order of addends does not change the sum.

Step: 2

So, 27 + 29 = 29 + 27 illustrates the commutative property of addition.

Correct Answer is : commutative property of addition

Step: 1

The commutative property of addition states that "Changing the order of addends does not change the sum. It remains the same."

Step: 2

2 + 22 + 11 = 2 + 11 + 22

[Use the commutative property of addition for the second and third terms.]

Step: 3

2 + 11 + 22 = 11 + 2 + 22

[Use the commutative property of addition for first and second terms.]

Step: 4

So, 2 + 22 + 11 is the same as 11 + 2 + 22.

Correct Answer is : 11 + 2 + 22

Step: 1

31 + 4 + 3

[Original expression.]

Step: 2

= 4 + 31 + 3

[The expression satisfies commutative property.]

Step: 3

So, among the choices listed, 4 + 31 + 3 is an equivalent expression for 31 + 4 + 3.

Correct Answer is : 4 + 31 + 3

1 + 6 = 6 + ___

Step: 1

: According to commutative property of addition, changing the order of addends does not change the sum.

Step: 2

1 + 6 = 6 + 1

[Use commutative property of addition.]

Correct Answer is : 1

4 + 8 = 8 + ___

Step: 1

According to commutative property of addition, changing the order of addends does not change the sum.

Step: 2

4 + 8 = 8 + 4

[Use commutative property of addition.]

Correct Answer is : 4

9 + 3 = 3 + ___

Step: 1

According to commutative property of addition, changing the order of addends does not change the sum.

Step: 2

9 + 3 = 3 + 9

[Use commutative property of addition.]

Correct Answer is : 9

11 + 2 = 2 + ___

Step: 1

According to commutative property of addition, changing the order of addends does not change the sum.

Step: 2

11 + 2 = 2 + 11

[Use commutative property of addition.]

Correct Answer is : 11

__ + 8 = 8 + 9

Step: 1

Step: 2

9 + 8 = 8 + 9

[Use commutative property of addition.]

Correct Answer is : 9

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