Review 2.1/2.2

10 - 2[6 - ( 4 - 2)]

• 4
• 2
• 8
• 6

Tags

CCSS.7.NS.A.3

12 - 3[ 5 - (2 - 1)]

• 4
• 10
• 6
• 0

Tags

CCSS.7.NS.A.3

Which expression contains exactly 3 terms?

• 5 + 6xy
• 9 + 4t
• 8 + 2y - 5x
• 24xy

What is a coefficient?

• the numerical part of a term; the constant that is multiplied by a variable

• a term without a variable; a number

• terms with the same variable parts

• a variable, a constant, or a product of a variable and a constant

Tags

CCSS.6.EE.A.2B

What are like terms?

• the numerical part of a term; the constant that is multiplied by a variable

• a term without a variable; a number

• terms with the same variable parts

• a variable, a constant, or a product of a variable and a constant

Tags

CCSS.6.EE.A.2B

Identify the coefficients in the expression below. Choose all that apply.

-9w + 4x - 7y + 13z - 11

• -9

• 4

• -7

• 13

• -11

Tags

CCSS.6.EE.A.2B

Identify the like terms in the expression below. Choose all that apply.

6x - 9x - 11y + 14y

• 6x and -9x

• 6x and 9x

• 11y and 14y

• -11y and 14y

Tags

CCSS.6.EE.A.2B

7 + 9 = 9 + 7
This is an example of which property?

• Commutative 
• Associative
• Identity 

Tags

CCSS.1.OA.B.3

3 + ( 9 + 5) and (3 + 9) + 5
This is an example of which property?

• Commutative
• Associative
• Identity 

Tags

CCSS.1.OA.B.3

7 x 1 = 7

• Commutative

• Associative

• Identity

• Not Equivalent

Tags

CCSS.3.OA.B.5