pop quiz 2.1-2.4

Organize these options into the right categories

Groups:

(a) Commuative property

,

(b) Associative property

,

(c) Identity of Addition

,

(d) Identity of Multiplication

• (2*4)*6=2*(4*6)

• 4*1=4

• 2 + (5 + 8) = (5 + 8) +2

• a + 0 = a

• 1*30000=30000

• 2 + (5 + 8) = 2 + (8 + 5)

• 7*14 = 14*7

• 2 + (5 + 8)= (2 + 5) + 8

• 0+1000=1000

• 4+6 = 6+4

Tags

CCSS.7.NS.A.1D

In addition, when signs are different we

(a)  

Tags

CCSS.7.NS.A.1C

Which expression is equivalent to the given expression?

• 5x + 6y - 1

• 6x + 3y - 4

• 6x + 9y - 4

• 6x + 9y - 12

Tags

CCSS.6.EE.A.4

Which property of real numbers justifies the work shown from Step 1 to Step 2?

• Distributive Property
• Commutative Property
• Identity Property
• Associative Property

Tags

CCSS.7.NS.A.1D

Identify the property.

4 + -3 = -3 + 4

• associative

• commutative

• identity

• additive inverse

Tags

CCSS.7.NS.A.1B

Identify the property.

-1.3 + 0 = -1.3

• commutative

• additive inverse

• identity

• associative

Tags

CCSS.7.NS.A.1D

What property of addition do the numbers HAVE to stay in the same order, but the numbers and groups can change?

• commutative

• associative

• identity

Tags

CCSS.1.OA.B.3

Which answer shows the commutative property of addition?

• 6+9+5 = 9+6+5

• 6+0 = 6

• (6+9)+5 = 6+(9+5)

Tags

CCSS.1.OA.B.3

Tags

CCSS.3.OA.B.5

Tags

CCSS.7.NS.A.1D