Do you ever get tired of taking tests? Take a break from being a student and play teacher! You'll get to grade the math test, ultimately deciding if…

No reason to claim the dog ate your homework or an alien abducted your notes -- for this math assignment, you'll be the grader!

Ask your second grader to decipher the name of the sixth planet from the sun by matching letters to number answers of these double-digit subtraction problems.

Solving this slew of double-digit subtraction problems will help your second grader reveal the mystery planet that is eighth from the sun.