Properties and Expressions

Write the phrase as an expression:
the sum of 7 and the product of a number x and 12

• 7x + 12

• 7x + 12x

• 7 + 12x

• 7 + 12 * x

Tags

CCSS.6.EE.A.2A

Which expression represents the difference of three times a number and 4?

• 3x - 4

• 3(x - 4)

• 4 - 3x

• 3(4 - x)

Tags

CCSS.6.EE.A.2A

Work out the value of the expression when x = 3, y = – 2 and z = – 4.
y + x – z     

• -5

• -3

• 3

• 5

Tags

CCSS.6.EE.A.2C

• Identity Property of 1

• Commutative Property

• Distributive Property

• None.

Tags

CCSS.3.OA.B.5

• Associative Property

• Commutative Property

• Distributive Property

• None.

Tags

CCSS.3.OA.B.5

• Associative Property

• Commutative Property

• Identity Property of 1

• None.

Tags

CCSS.1.OA.B.3

What property is this? 5 x 6 = 6 x 5

• 30

• Commutative property of Multiplication

• Commutative property of Addition

• Associative Property of Multiplication

Tags

CCSS.3.OA.B.5

Simplify!

• 6y + 9x

• 5y + 8x

• 5yy + 8

• 15yx

Tags

CCSS.7.EE.A.1

Simplify! Remember you can not combine different variables together!

• y + x

• 3y + 2x

• 12y + 8x

• 20yx

Tags

CCSS.6.EE.A.3

• Associative Property of addition. 14

• Commutative property of Multiplication. 16

• Distributive Property and 14

• None.

Tags

CCSS.3.OA.B.5