expression revision

What is the algebraic expression for                  "the sum of n and 9"?

• n - 9
• n + 9
• n/9
• 9n

Tags

CCSS.6.EE.A.2A

the product of 34 and z 

• 34/z
• z/34
• z X 34
• 34 - z 

Tags

CCSS.6.EE.A.2A

take 10 away from s 

• 10 - s 
• s + 10
• s - 10
• s/10

Tags

CCSS.6.EE.A.2A

six times the number of girls
Let g = number of girls

• 6 + g
• 6g
• g - 6

Tags

CCSS.6.EE.A.2A

What is a variable in Algebra?

• Something that changes
• An unknown value
• An equation
• A numeric expression

Tags

CCSS.6.EE.A.2B

3c

Evaluate the expression. if c = 3

• 12

• 3

• 1

• 9

5a + 7a - 8

Evaluate the expression. if a = 4

• 48

• 28

• 40

• 35

4h + 2g + 4

Evaluate the expression. Let g = 3, h = 9

• 42

• 46

• 34

• 58