SHORT HOOKFun and visual subtraction worksheets using the Concrete-Pictorial-Abstract (CPA) approach! Perfect for Grade 3 maths mastery, tackling the trickiest column subtraction challenge: subtracting across zero using place value grids, number lines, error analysis, and a collaborative relay game; all guided by a friendly cartoon robot. FULL PRODUCT DESCRIPTIONThis pack focuses on a demanding Grade 3 subtraction objective: subtracting 3-digit numbers from 3-digit numbers when the tens column