![online ruler online ruler](https://www.istanbullife.org/tours/yahudi-flash/sinagog-main-page/1_2_ii_bayezid-small.jpg)
Select Off to have unlimited time to make your guess.
![online ruler online ruler](https://images-na.ssl-images-amazon.com/images/I/719bcud%2BerL._AC_SL1220_.jpg)
As time passes, the bar will get shorter. The timer is represented to the right of the score in the Results Bar.Your current level is indicated in the Results Bar below the ruler image. Each time you correctly guess 10 measurements, you will advance to the next level.Points are awarded based on the following table.Your score is displayed on the left side of the Results Bar that appears below the ruler. For each correct answer, you will be awarded points.To check your answer, click on the ruler (or lift your finger on a touchscreen device). Move your mouse (or slide your finger on a touchscreen device) over the ruler image until the green bar reaches the mark for the displayed measurement.A measurement to select will appear above the ruler image.Press the Play Game button to begin playing the game.This game can be played using a mouse or a touch-screen.Use this game to learn and improve how you read a standard English ruler (also called an inch ruler, customary ruler, imperial ruler).