: Mastering multi-digit multiplication and division (often with remainders) using place value strategies and area models.
: It allows students to identify errors in their logical process rather than just checking final answers. reshebnik kontrolnaia rabota l.g.peterson 4 klass
: Solving multi-step word problems and using variables (letters) to represent unknown quantities in equations. reshebnik kontrolnaia rabota l.g.peterson 4 klass