Adding and Subtracting Equations

Which equation matches this phrase:

"twelve is the difference of a number and five"

• 12 - n = 5

• 5 - 12 = n

• n - 5 = 12

• n - 12 = 5

Tags

CCSS.6.EE.A.2A

What is the correct first step in solving this equation:

y - 12 = 20

• add 12 to both sides of the equation

• subtract 12 from both sides of the equation

• add 12 to the left side of the equation only

• subtract 12 from the left side of the equation only

Tags

CCSS.6.EE.B.7

What is the value of "x" in this equation?

192 + x = 450

• x = 642

• x = 262

• x = 258

• x = 342

Tags

CCSS.6.EE.B.7

Which equation matches the following:

"Eight less than a number is nineteen"

• 8 - 19

• 8 - n = 19

• n - 8 = 19

• 19 - 8 = n

 $m\ +\ 2\frac{3}{4}\ =\ 11$  

Solve for "m"

•  $13\frac{3}{4}$  

•  $9\frac{3}{4}$  

•  $9\frac{1}{4}$  

•  $8\frac{1}{4}$  

Tags

CCSS.6.EE.B.7

What needs to be done to solve this equation?

28 = p + 15

• subtract 28 from both sides of the equation

• subtract 15 from both sides of the equation

• add 28 to both sides of the equation

• add 15 to both sides of the equation

Tags

CCSS.6.EE.B.7

Solve for "b":

7.4 + b = 18.05

• 10.65

• 1.731

• 11.45

• 173.1

Tags

CCSS.6.EE.B.7

Which property (highlighted in red) allows you to solve the equation?

• Zero Property of Addition

• Commutative Property of Addition

• Identity Property of Addition

• Inverse Property of Addition

Tags

CCSS.HSA.REI.A.1

Which translation matches this equation:

"ten more than a number is forty-five"

• 10 + 45 = n

• 45 + 10 = n

• n + 10 = 45

• 45 - 10 = n

Tags

CCSS.6.EE.B.7

Which phrase correctly completes this about solving equations:

"... the rule is, whatever you do to one side of the equation, you must do....."

• the same thing to the other side

• the opposite thing to the other side

• nothing to the other side

• nothing to both sides

Tags

CCSS.HSA.REI.A.1