One Step Addition and Subtraction Equations(1-2)

Check off the 3 key points to equation solving:

• Add or subtract the variables.

• Isolate the variable

• Balance the equation

• Always add the opposite

• Inverse Operations

Tags

CCSS.7.EE.B.4A

What does "inverse" mean?

• The same

• Different

• By itself

• Opposite

Tags

CCSS.HSF-BF.B.4A

What is the inverse operation of addition?

• addition
• subtraction
• multiplication
• division

Tags

CCSS.2.NBT.B.5

What is the inverse operation of subtraction?

• addition

• subtraction

• multiplication

• division

Tags

CCSS.HSA.REI.A.1

x - 62 = 123
How should you show your work to isolate the variable and solve the equation?

• Add 62 to each side. 
• Subtract 62 from each side.
• Multiply each side by 62.
• Add 123 to each side.

Tags

CCSS.6.EE.B.7

How should you show your work to isolate the variable and solve the equation?

 $-\frac{1}{2}+x\ =\ \frac{4}{5}$  

• Add  $\frac{1}{2}$   to each side. 

• Subtract  $\frac{1}{2}$   from each side. 

• Add  $\frac{4}{5}$   to each side. 

• Subtract $\frac{4}{5}$   from each side. 

Tags

CCSS.6.EE.B.7

x - 17.6 = 1.9

• 19.5
• 18.5
• 20.5
• 21.5

Tags

CCSS.6.EE.B.7

 $\frac{1}{4}+x=\frac{7}{8}$  

• 1

•  $\frac{6}{7}$  

•  $\frac{5}{8}$  

•  $\frac{2}{3}$  

Tags

CCSS.6.EE.B.7

 $h-\frac{3}{8}=-\frac{11}{24}$  

•  $\frac{1}{12}$  

•  $-\frac{1}{12}$  

•  $-\frac{1}{6}$  

•  $\frac{1}{6}$  

Tags

CCSS.6.EE.B.7

What would be the best first step to solving the equation?
-3=x+5

• add 3 to both sides
• subtract 5 from both sides
• add 5 to both sides
• subtract -5 from both sides

Tags

CCSS.6.EE.B.7