Numbers can be made of smaller parts. The number 4 can be made from 3 and 1, 1 and 3, 2 and 2, and more. The two-digit number 13 can be made from 1 ten and 3 ones.
Composition and Decomposition using the Brainingcamp Rekenreks 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.