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 ...

The “ruler” tool in Google Earth has always been useful, and it has seen a number of improvements over the years. To get started with it, simply go to [Tools] –> [Ruler] in Google Earth and it’ll open ...

You’re not going to exactly want to replace your tape measure, but as far as iPhone hacks go, this is about as cool as it gets: Acoustic Ruler allows you to measure distance up to 82 feet using a ...