Work through real world problems, as students work on standard 5.oa.2.
If you enjoy this center, please check out my 5.NBT.1, 5.NBT.2, 5.NBT.5, 5.NBT.6, 5.NBT.7, 5.OA.1, 5.OA.2, 5.MD.1, 5.MD.2, 5.NF.1, 5.NF.2, and 5.NF.3, 5.NF.4, 5. NF.7, 4.NBT.3, 4.NBT.4, 4.NBT.5, 4.NBT.6
More standards still coming.
If you have any questions feel free to contact me.