Perimeter is the distance around a figure. To find the perimeter of a figure, add all its side lengths. So the perimeter of a rectangle with length of 6 units and width of 4 units is 6 + 4 + 6 + 4 = 20 units.
Perimeter using the Brainingcamp Geoboard virtual manipulative.
Brainingcamp virtual manipulatives can be used anywhere with no setup, cleanup, or lost parts. They are highly effective at engaging today’s digital learners and helping them bringing abstract math concepts to life.
Brainingcamp produces virtual manipulatives for iPads, Chromebooks, PCs, and Macs.