Variables and Expressions HW 2

An algebraic expression must have a number (constant), a variable, and an ________________.

• letter
• solution
• operation
• equal sign

Tags

CCSS.6.EE.A.2B

In this expression what is the variable? 
5 + y 

• q
• +
• 5
• y

Tags

CCSS.6.EE.A.2B

True or Flase.
An algebraic expression does not have an equal sign. 

• True
• False

Tags

CCSS.6.EE.A.2B

A variable is . . .

• an awesome number

• a number represented by a letter

• an infinite number

• a number multiplied by another number

Tags

CCSS.6.EE.A.2B

A constant is . . .

• a letter

• a math or science mystery

• a number

• a variable

Tags

CCSS.6.EE.A.2B

Which of the following shows a variable?

• g + 7
• g + 7 = 10
• g
• 7g

Tags

CCSS.6.EE.A.2B

Which of the following shows an expression?

• n + 7
• n - 4 = 8
• n
• 7n

Tags

CCSS.6.EE.A.2B

Evaluate:

 $-8+d\ when\ d=-2$  

• 10

• -10

• -6

• 6

Tags

CCSS.6.EE.A.2C

Evaluate:

 $c+5\ when\ c=4$  

• 9

• 20

• 5

• 4

Tags

CCSS.6.EE.A.2C

Evaluate:

 $g-10\ when\ g=6$  

• 16

• -16

• -4

• 4

Tags

CCSS.6.EE.A.2C