Posted by **Cheryl** on Tuesday, March 1, 2011 at 2:16pm.

I'm really bad at these, can someone help me PLEASE?

1. Name the property shown by the statement: 9x + 0 = 9x

a. Commutative Property of Addition

b. Commutative Property of Multiplication

c. Identity Property of Addition

d. Identity Property of Multiplication

ANSWER: a

2. Name the property that is shown by the statement: 12x1=1x12

a. Commutative Property of Addition

b. Commutative Property of Multiplication

c. Identity Property of Addition

d. Identity Property of Multiplication

ANSWER: d

3. Name the property that is shown by the statement: x + 8 = 8 + x

a. Commutative Property of Addition

b. Associative Property of Addition

c. Identity Property of Addition

d. Distributive Property

ANSWER: b

4. Name the property that is shown by the statement:

x + (1 + 2) = (x + 1) + 2

a. Commutative Property of Addition

b. Associative Property of Addition

c. Identity Property of Addition

d. Distributive Property

ANSWER: a

- Pre-Algebra: HELP PLEASE -
**bobpursley**, Tuesday, March 1, 2011 at 2:26pm
you have number 2 correct, rethink the others.

http://www.purplemath.com/modules/numbprop.htm

- Pre-Algebra: HELP PLEASE -
**Cheryl**, Tuesday, March 1, 2011 at 2:44pm
1. c

3. a

4. c

is that right?

- Pre-Algebra: HELP PLEASE -
**CHRISTOPHER**, Thursday, June 7, 2012 at 4:31pm
Simplify the expression using the commutative, associative, and distributive properties. {3 + (5+ 2)} – {(3 + 5) + 2} + 4 – 2

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