Opinion
The Family Handyman on MSNOpinion

You may have been using your ruler wrong this whole time

There's a reason for that small gap before the zero on a ruler. But have you been accounting for it in your measurements?
Measure length using a ruler marked with halves and quarters of an inch with Ms. Askew. Join Ms. Askew for a fun Fraction Number Talk. We'll measure length using a ruler marked with halves and ...