To ensure that children gain an understanding of our number system, the importance of place value and why formal methods work, they are taught in a structured and progressive way. This mathematical fluency helps children to choose an appropriate strategy for the calculation given. For instance, it may be that a mental addition strategy is better suited than the formal column method. Children develop their skills with larger and more complex numbers (decimal, negatives, fractions etc.) as they move up the school.
The videos linked below demonstrate the column method used for addition:
Supporting your child with maths
As parents and carers you play a vital role in supporting your child's development of mathematical skills and understanding.