To add fractions with like denominators, add the numerators and keep the denominator. To add 1/5 and 2/5, model each of the addends using one green piece and two green pieces. Combine the addends to see that there are three 1/5 pieces in total, so 1/5 + 2/5 equals 3/5.
Adding Fractions (like denominators) using the Brainingcamp Fraction Circles 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.