Written Calculation: Subtraction
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Written Calculation: Subtraction leads pupils through the necessary steps for mastering the column method of subtraction. Pupils beginning this book should have an understanding of
the value of digits in two- and three-digit numbers, experience of adding and subtracting single-digit numbers and know their subtraction number bonds to 20.
Each of the 18 steps features the following sections.
- What to do – detailed explanations and a worked example.
- Now you try – questions that are similar to those in the worked example.
- More practice – questions that are more difficult and provide less support than those in Now you try.
Problem solving – word problems.
- Self-evaluation rating – to help identify pupils who may be struggling with the step.
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