Add up the numbers on the left side of the scale and add a number on the right side of the scale to balance it. Can you get to 15 numbers on each side of the scale to complete the game?
"The study results indicated that, in general, using interactive whiteboards was associated with a 16 percentile point gain in student achievement. This means that we can expect a student at the 50th percentile in a classroom without the technology to increase to the 66th percentile in a classroom using whiteboards."