Sam shows us how to carry out addition in Year 5 by calculating and checking by using the inverse operation.
Ruby shows us how to carry out Year 4 Addition by estimating using rounding and then adding with columns.
Year 6 show us how to carry out Year 3 Addition using partitioning and number bonds.
Ruby from Year 6 shows us how to carry out Year 2 Addition using partitioning and number bonds.
Sam from Year 6 shows us how to carry out Year 1 addition using objects and a number line to add 2 amounts