The school was extended to provide an extra block of classrooms and a dining hall with kitchen in 1979.

If you try to add extra blocks to the sides pyramid, they may stay put for a while, but they'll eventually fall away.

The cost of adding the extra blocks to the model was picked up by the corporation.

I will go one or even two extra blocks out of my way for the special delights.

"The parents got so frustrated having to walk their kids an extra seven blocks that they stopped sending them."

We added an extra block on the way home, keeping the pace steady.

I leaned closer and asked, "Would you let your grandparents walk five extra blocks in this heat?"

As a result, I got off the bus at the wrong stop and had to walk four extra blocks.

"They aren't going to walk the extra block," he said.

He picked up an extra block of C-4 and stuffed it in the bag.