standard_description: Recognize that in a multi-digit number, a digit in one place represents 10 times as much as it represents in the place to its right and 1/10 of what it represents in the place to its left.
problem_activity: Solve. Show or explain your work.
a.   42 × 3
b.   6 × 215
c.   2,039 × 8


aligns: no