Whenever the teacher was out of the room, the students loved to write on the blackboard.    From LearnThat.org. 

The fingernail on the blackboard is the best way to describe her.    From Wordnik.com.  [Elisabeth Hasselbeck Leaving “The View” Rumors Debunked] Reference

Coaches who can outline plays on a blackboard are a dime a dozen.    From Wordnik.com.  [The Daily Carrot Principle] Reference

Each dot on the face of the blackboard is a subscriber's connection.    From Wordnik.com.  [Stories of Inventors The Adventures of Inventors and Engineers] Reference

Sitting there in front of the blackboard were a man and a woman of middle age.    From Wordnik.com.  [Blaze]

To the left of the blackboard was the corner in which we had to kneel when naughty.    From Wordnik.com.  [Childhood] Reference

Under the blackboard was a foot-high concrete platform, and we had desks and small benches to sit on.    From Wordnik.com.  [Mao's last dancer]

Behind him is a blackboard, which is later flipped around on its horizontal axis to reveal further scenes.    From Wordnik.com.  [February « 2009 « Squares of Wheat] Reference

Now, 'Lollie' is the real girl, on the card-board is the picture girl, and on the blackboard is the word girl.    From Wordnik.com.  [The Evolution of Dodd] Reference

At the top of the blackboard was the estimated number of bulb sockets in the world: that was the market estimate for the product.    From Wordnik.com.  [The $10 Million Light Bulb - Bits Blog - NYTimes.com] Reference

Of course, to me -- I've never studied physics -- the blackboard was a cool graphic display, reminiscent of a Cy Twombly painting.    From Wordnik.com.  [Inside the UW-Madison Physics Department.] Reference

The main one is on my "blackboard" above my favorite chair.    From Wordnik.com.  [Dru Blood - I believe in the inherent goodness of all beings: To-Do List] Reference

Students of society should look "out the window" not necessarily just to the "blackboard" to find the problems and puzzles to work on.    From Wordnik.com.  [The Austrian Economists:] Reference

A blackboard is a thing which needs explanation: this entirely physical existence has not by itself wherewith to vanquish non-existence.    From Wordnik.com.  [Evolution créatrice. English] Reference

And I don't mean politically correct stupidities like banning the word "blackboard".    From Wordnik.com.  [Nobody Important] Reference

France is, by its natural contrast, a kind of blackboard on which English character draws its own traits in chalk.    From Wordnik.com.  [English Traits (1856)] Reference

A problem in Euclid on this strange "blackboard" of the road.    From Wordnik.com.  [The Book of Missionary Heroes] Reference

"blackboard" style videos are accessible via the internet and hosted on YouTube.    From Wordnik.com.  [Latest news from our site] Reference

"blackboard" that could be accessed from independent but mutually interacting knowledge sources.    From Wordnik.com.  [WN.com - Business News] Reference

She writes the next day's lesson on the blackboard.    From Wordnik.com.  [Campus Rape Victims: A Struggle For Justice] Reference

It's like a blackboard that you write on, Saper says.    From Wordnik.com.  [In Search Of Sleep] Reference

Both have been known to use a blackboard to rationalize a tortured point.    From Wordnik.com.  [Steve Young: The Evidence Is in. Glenn Beck and Michael Scott...Same Person] Reference

For every old blackboard there are now hundreds of new electronic computers.    From Wordnik.com.  [Michael Conniff: Military-Industrial Complex @ 50] Reference

In another, a poster of Cuban revolutionary Jose Marti adorns the blackboard.    From Wordnik.com.  [A Real Test For Vouchers] Reference

It's more complex than usual, with unproved equations all over the blackboard.    From Wordnik.com.  [The States of Play] Reference

Of course, campaigns have a way of erasing easy mathematics from the blackboard.    From Wordnik.com.  [Whose Gut Is It, Anyway?] Reference

At the head of the class, Dr. Tallmadge pointed at the blackboard with a yardstick.    From Wordnik.com.  [Working Without a Net] Reference

The White House happy talk of a "Recovery Summer" grates like nails on a blackboard.    From Wordnik.com.  [Ernest Istook: Government Strangles High-Tech Growth] Reference

Another picture has a teacher writing DECAPITATION for her students on a blackboard.    From Wordnik.com.  [The Strange, Prescient Art Of Marcel Dzama] Reference

He was in the second grade, and a sign on the blackboard read, don't be afraid to ask.    From Wordnik.com.  ['Mommy, I Know You'] Reference

A motion "declaring" him their candidate had been chalked on a blackboard and signed by most of the delegates.    From Wordnik.com.  [The Second Coming] Reference

He entered a second-grade classroom and, as a shocked teacher looked on, stabbed three boys at the blackboard.    From Wordnik.com.  [Japan: Death In Second Grade] Reference

It was like scraping his tongue against a blackboard on which someone had scrawled every equation ever written.    From Wordnik.com.  [Down to Earth] Reference

The university is incapable of ordering blackboard erasers in quantities of more than six without a committee. ''.    From Wordnik.com.  [Perspectives] Reference

By the summer of 1941, Geoffrey had flown 50 missions while the names of comrades were wiped daily from the blackboard.    From Wordnik.com.  [Rewind TV: The Special Relationship; The Road to Coronation Street; First Light; Wellington Bomber] Reference

Then their history teacher pointed to the lesson of the day, written on the blackboard: WHY CHINA CHOSE THE SOCIALIST ROAD.    From Wordnik.com.  [China's Renegade Province] Reference

Yesterday I went to enroll my son in high school and instead of a welcome sign I found a blackboard with the following contents.    From Wordnik.com.  [Yoani Sanchez: Four Centimeters of Tolerance] Reference