Subtraction can be thought of as removing one quantity from another. To subtract 2/3 – 1/3, represent a whole as a yellow hexagon and the minuend 2/3 as two blue rhombi. Since the subtrahend is 1/3, remove one blue rhombus. There is one blue rhombus remaining, so 2/3 – 1/3 = 1/3.
Subtracting Fractions (like denominators) using the Brainingcamp Pattern Blocks 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.