Unit E – Addition Exchange

This maths scheme of work for Key Stage Two gets the children to investigate different ways of adding three and four digit numbers using mental and formal written calculations with exchange between place value. The class can explain how to correctly use a written method of columnar addition to complete each calculation.

Investigate different ways of adding three and four digit numbers using mental and formal written calculations with exchange between place value

Lesson One : Changing Numbers

Investigate and record changes that can happen to a selection of four digit numbers when adding different sets of ones, tens, hundreds and thousands

Lesson Two : Grid Addition

Revise and model how to use the grid method to add different pairs of two digit numbers utilising partitioning between their sets of tens and ones

Lesson Three : Addition Number Sums

Explain and model how to add different pairs of three and four digit numbers with no exchange between place value when completing the calculations

Lesson Four : Sum Corrections

Practise adding different pairs of three and four digit numbers with one exchange between place value when completing each addition calculation

Lesson Five : Supermarket Stock

Identify and record how to calculate the stock levels of different products that can be sold in a supermarket by adding pairs of three and four digit numbers

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