Clare solves an equation, but when she checks her answer she notices that her solution is incorrect. She knows she made a error, but she can’t find it. Help Clare find the error and correctly solve the equation.
to access Practice Problem Solutions.
Problem 3
Student Task Statement
Solve each equation and check your solution.
to access Practice Problem Solutions.
Problem 4
Student Task Statement
Kiran wrote the expression to represent this number puzzle: “Pick a number, add -2, and multiply by 5.”
Lin thinks Kiran made a mistake.
How can she convince Kiran he made a mistake?
What would be a correct expression for this number puzzle?