Unit sense

The first instance of  is under the 4th Grade Math Mission. This exercise explores relative sizes of some common units and helps to understand the size of the units.

Types of Problems
There is one type of problem in this exercise:


 * 1) Select units: This problem is a chart with several objects along one axis and possible units that could be used to measure along the other axis. The student fills in the circle to select the most appropriate units.US1.png

Strategies
This exercise is easy to get accuracy badges because with very few exceptions (as long as you are familiar with the units). It is medium to attain speed badges because of the time it takes to click the necessary dots.


 * 1) A stylus on a tablet can make it a little easier to attain the speed badges.