30 questions / Addition Subtraction (No Regrouping) Subtraction (Regrouping) SURPRISE Addition (with regrouping) Random
30 questions / Addition Subtraction (No Regrouping) Subtraction (Regrouping) SURPRISE Addition (with regrouping) Random
30 questions / Addition Subtraction (No Regrouping) Subtraction (Regrouping) SURPRISE Addition (with regrouping) Random