To add numbers like, 3 + 2, combine a 3-unit rod and a 2-unit rod. The train has the same length as a 5-unit rod, so 3 + 2 = 5. Explore other ways to make a sum of 5.
Adding Integers using the Brainingcamp Cuisenaire® Rods 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.