Variable Expressions & Open Sentences

Which represents the unknown value in the following statement? 
7 + j = 15

• 7
• +
• j
• 12

Tags

CCSS.6.EE.B.5

What is the variable in the expression 16r - 3

• 16
• r
• -
• 3

Tags

CCSS.6.EE.A.2B

In the expression i + 4, the letter i represents

• a number sentence
• an open sentence
• an addition symbol
• an unknown number

Tags

CCSS.6.EE.B.6

In the expression 77x - 60, the letter x represents 

• a variable
• a known number
• an expression
• a number sentence

Tags

CCSS.6.EE.A.2B

Kyle is paid $8.00 an hour, and last week, Kyle earned $160.00.  What does the x represent in the equation 8x = 160? 

• The number of days Kyle worked last week
• The number of hours Kyle worked last week
• The number of hours Kyle worked over the weekend
• The amount of money Kyle made

Tags

CCSS.6.EE.B.7

Jack packed y boxes with 20 cans of food in each box.  If there were 500 cans of food, which number sentence would be used to find out how many boxes Jack packed? 

• 500 x 20 = y
• y + 20 = 500
• 20 x y = 500
• y - 500 = 20 

Tags

CCSS.HSA.CED.A.3

Alex sells corn at the farmer's market.  If c represents the amount of corn Alex has, which number sentence could be used to find the amount of corn Alex has left after selling 7 ears of corn? 

• c - 7 = ? 
• c + 7 = ? 
• c x 7 = ? 
• 7 - c = ? 

Tags

CCSS.6.EE.B.6

Miss Williams divides her class into six equal groups of 4 students each.  Which number sentence could be used to find s, the number of students in Miss Williams's class? 

• s x 4 = 6
• s / 4 = 6
• 4 + 6 = s 
• s - 4 = 6 

Tags

CCSS.HSA.CED.A.3

Elizabeth went running on the Creeper Trail.  Today she ran 1.5 more miles than she did yesterday.  If m represents the miles she ran yesterday, which number sentence can be used to find the number of miles Elizabeth ran today? 

• m - 1.5 = ? 
• m / 1.5 = ? 
• m + 1.5 = ? 
• m x 1.5 = ? 

Tags

CCSS.6.EE.B.6

Sally and Donny were running for class president.  Donny got 15 votes and Sally got v fewer votes than Donny.  Which number sentence could be used to find the number of votes Sally received? 

• v - 15 = ? 
• 15 - v = ? 
• 15 / v = ? 
• v / 15 = ? 

Tags

CCSS.6.EE.B.6