standard_description: Explain each step in solving a simple equation as following from the equality of numbers asserted at the previous step, starting from the assumption that the original equation has a solution. Construct a viable argument to justify a solution method.
problem_activity: Problem 3
Pre-unit
The value of the 6 in 618,204 has how many times the value as the 6 in 563? Explain or show your reasoning.


aligns: no