Simplify expressions

Which of the following properties describes the mathematical expression? 
(a + 31) + b = a + (31 + b )

• Associative
• Distributive
• Commutative
• Identity

Tags

CCSS.1.OA.B.3

Identify the property used to simplify.

• Addition Property of Equality

• Multiplication Property of Equality

• Distributive Property

• Subtraction Property of Equality

• Division Property of Equality

Which of the following properties describes the mathematical expression? 
5 * 1 = 5

• Associative
• Distributive
• Commutative
• Identity

Tags

CCSS.3.OA.B.5

Which of the following properties describes the mathematical expression? 
6 + 7 + 2 = 2 + 6 + 7

• Associative
• Distributive
• Commutative
• Identity 

Tags

CCSS.1.OA.B.3

In simplifying an expression with series of operations, what operation you should perform first?

• Division

• Addition

• Multiplication

• Operation inside the parenthesis

Which operation would you do first in the following equation?
10 - 4 ÷ 1 · 5

• Subtraction
• Division
• Multiplication
• Addition 

Tags

CCSS.7.NS.A.2

CCSS.7.NS.A.3

Solve:
(32 ÷ 8) + 27 - 11

• 10
• 20
• 30

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

6 + (4)3

• 18
• 30
• 13
• 42

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

 $18-4\cdot2$  

• 28

• 16

• 10

• 12

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

 $18+\left(6-2\right)2$  

• 26

• 29

• 44

• 40

Tags

CCSS.7.NS.A.3