12 March 2025
Check the numbers before trusting the answer
Worked examples for units, quantities, time and the reasonableness of an everyday calculation.
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Everyday numbers
Worked examples for quantities, time and simple comparisons.
Learning supply note
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Casio MS-80B desk calculator
An eight-digit desktop model for checking everyday arithmetic. Keep the written method beside it, and consult the manual before using percentage or tax keys. Exam equipment rules need a separate check.
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