Unit G – Addition and Subtraction Solutions

This maths scheme of work for Key Stage Two gets the children to identify and model how to solve contextual problems using formal written calculations for addition and subtraction including exchange between place value. The class can explain how to use mental methods to complete each step in a written calculation.

Identify and model how to solve contextual problems using formal written calculations for addition and subtraction including exchange between place value

Lesson One : Shopping Receipts

Explain and record how to use a written method to add pairs of three and four digit money amounts with exchange between place value

Lesson Two : Shopping Budgets

Choose and calculate pairs of money amounts that sum to totals to one hundred pounds using formal methods of columnar addition with exchange

Lesson Three : Supermarket Sales

Practise using a written columnar method to subtract pairs of four digit numbers with exchange between place value

Lesson Four : Subtraction Explanations

Identify and describe when to use mental or written techniques to subtract a pair of numbers to solve a problem

Lesson Five : Number Reverses

Practise using inverse operations to check the addition and subtraction sums for different number calculations

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