8-1 Variables and Expressions

Which word phrase does NOT describe 4 + 3

• Three and four

• 4 plus 3

• the sum of 4 and 3

• 3 more than 4

A (a)   is a letter or symbol that represents unknown values.

Tags

CCSS.6.EE.A.2B

Which expression is correct for "the sum of 12 and 8"?

• 12 - 8

• 12 + 8

• 12 and 8

• 
  

   $12\div8$  

Tags

CCSS.6.EE.A.2A

Write the numerical expression for "subtract 6 from 10"

(a)  

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

You and three of your friends are going to share a package of 8 granola bars equally. Which expression demonstrates this?

• $8\div3$

• $8\div4$

• $4\times2=8$

Tags

CCSS.3.OA.A.2

Which word phrase is correct for

 $\frac{18}{n}$  

• 18n

• 18 divided by a number

• Fraction

• 18 over n

Tags

CCSS.7.EE.A.2

CCSS.HSA.SSE.A.2

Which expression shows "9 plus the product of 3 and 12" ?

• 
  

  $9+\left(3\times12\right)$

• $9+3\times12$

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

In the expression

 $\frac{18}{n}$  
what is the variable?

(a)  

Tags

CCSS.6.EE.A.2B

Mrs. Cota is 6 inches taller than Corben. Corben is 48 inches tall. Which expression shows Mrs. Cota's height?

• 48 - 6

• 48 + 6

• 48 x 6

• $48\div6$
  

Tags

CCSS.6.EE.B.6

Do 7 + 3 and 3 + 7 represent the same expression?

• Yes!

• No!

Tags

CCSS.1.OA.B.3