To earn points. Each rock has a number on it and you get points for shooting the rocks based on their number. This game requires students to use both their reflexes and thie knowledge of decimal place value.
The goal of each level is to shoot the rocks in the order of the numbers on them. To succeed you must be able to know the relative order of .00900, .00890 , and .00899 . This forces players to really understand the difference between the tenths, hundredths and thousandths decimal places.
Play decimals in space http://games.mathwarehouse.com/
