Solving 2 Step Equation Word Problems

What is the first step in solving a word problem involving two-step equations?

• Guess the solution

• Ignore the problem statement

• Identify the unknown quantity and assign a variable

• Write the final answer

In the first example, what does the variable 's' represent?

• Number of students traveling by car

• Total number of students

• Number of students on each bus

• Number of buses

How do you isolate the variable term in the equation 6s + 7 = 331?

• Multiply both sides by 6

• Subtract 7 from both sides

• Add 7 to both sides

• Divide both sides by 6

What is the final number of students on each bus in the first example?

• 331

• 54

• 6

• 324

In the second example, what does the variable 'e' represent?

• Total cost

• Cost of each eraser

• Cost of the magazine

• Number of erasers

What is the cost of each eraser in the second example?

• 4 dollars

• 5 dollars

• 30 cents

• 50 cents

In the third example, what does the variable 'a' represent?

• Money earned from washing the car

• Total money at the end of the week

• Money spent on music downloads

• Weekly allowance

How much money does the student have left after spending half of her allowance on music downloads?

• 4 dollars

• 16 dollars

• 8 dollars

• 12 dollars

What is the total weekly allowance of the student in the third example?

• 4 dollars

• 8 dollars

• 12 dollars

• 16 dollars

What is the key takeaway for solving word problems using two-step equations?

• Define the variable and write the equation

• Always use the same variable

• Ignore the problem statement

• Guess the solution