All Bites › S2B - Additive Relations 6 S2B - Additive Relations 6 $15.00 Bite 6:Partitioning, regrouping and exchanging in subtraction. Bite 6:Partitioning, regrouping and exchanging in subtraction. Add To Cart Added! S2B - Additive Relations 2 $15.00 Add Added! S2B - Additive Relations 3 $15.00 Add Added! S2B - Additive Relations 4 $0.00 Add Added! S2B - Additive Relations 5 $15.00 Add Added!