Differentiate your assignments on all operations with decimals, fractions, mixed numbers, and integers with the 57 self-checking worksheets included in this bundle!This product contains 3 different levels of self-checking worksheets covering 19 different topics. The differentiated worksheets for each topic are sold separately in my store, as well, but this bundle saves you money! (Purchased separately, the items in the bundle would cost $33.25). The topics included are:- decimal addition- dec