Seeing Structures in equations

• 4

• m

• 7 and 15

• + and *

• 4

• m

• 7 and 15

• + and *

What is the inverse of subtracting ten?

• Adding ten

• Multiplying by ten

• Dividing by ten

• Subtracting five

What is the first step in solving the equation 2a - 4(a - 5) = 10

• Add 4 to both sides
• Add the 2a and a 
• Distribute 4 to a and -5
• Distribute -4 to a and -5

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.

What is the inverse operation of division?

• Division
• Multiplication
• Addition
• Subtraction

What is the correct step to solve for the variable?
15 = m - 5

• add 15 to both sides
• add 5 to both sides
• subtract 15 from both sides
• subtract 5 from both sides

Level 3

Identify the steps to solve for b

• Add 6 to both sides and divide both sides by 5

• Add 6 to both sides and multiply both sides by 5

• Subtract 6 from both sides then multiply both sides by 5

• Subtract 6 from both sides then divide both sides by 5

A _____________ is a symbol, usually a letter that stands for a number. 

• coefficient
• algebraic expression
• variable
• term

Identify the constant of the algebraic expression:

3x + 5

• 3

• x

• 5

• 3x and 5