Name the property the equation illustrates.

a + c + 2b = a + 2b + c

Identity Property of Addition
Distributive Property
Associative Property of Addition
Commutative Property of Addition
2. In a word game, you choose a tile from a bag, replace it, and then choose another. If there are 21 vowels and 15 consonants, what is the probability you will choose a consonant and then a vowel?

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mc011-4.jpg
mc011-2.jpg
mc011-3.jpg
3. You roll a standard number cube. Find P(3 or 4).

mc007-4.jpg
mc007-1.jpg
mc007-3.jpg
mc007-2.jpg
4. At the grocery store

Question

Name the property the equation illustrates.

a + c + 2b = a + 2b + c
 	
	Identity Property of Addition
	Distributive Property
	Associative Property of Addition
	Commutative Property of Addition
2. 	In a word game, you choose a tile from a bag, replace it, and then choose another. If there are 21 vowels and 15 consonants, what is the probability you will choose a consonant and then a vowel?
 	
	mc011-1.jpg
	mc011-4.jpg
	mc011-2.jpg
	mc011-3.jpg
3. 	You roll a standard number cube. Find P(3 or 4).
 	
	mc007-4.jpg
	mc007-1.jpg
	mc007-3.jpg
	mc007-2.jpg
4. 	At the grocery store

mathstudent55 · Answer

The only difference in the equation is that you have c + 2b on the left side and 2b + c on the right side. That is a change of order. Change of order in addition is the commutative property.