Year 3 Maths Multiplication - In stage 3, children are taught the expanded column method. This method is very similar to the standard column method, however the answer to each column is written out in full. This helps consolidate an understanding of place value before progressing to the standard method - Parent, Teacher and Child support guide. • Year 3 Maths Multiplication - Stage 3 Meth... Help support your child with their maths learning and to achieve their end of year expectations.