calculation policy guidance on progression of written methods
TRANSCRIPT
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Calculation Policy
Guidance on progression of written methods.
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Main MenuIntroductionAddition & subtractionMultiplication DivisionPlace valueFractions
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Introduction• This policy is to provide parents with a clear guide to how written
calculations are taught in Valley Gardens Middle School so they may confidently support their children at home. • Currently only formal written methods are covered, but the policy will
be extended to the progression of mental methods and strategies. • This is a working document and will be updated throughout the year.
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Addition & SubtractionMental methodsColumn AdditionColumn SubtractionColumn methods (decimals)
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Addition & SubtractionMental methods
Notes:• (text)
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Addition & SubtractionColumn Addition
Notes:• “Carries” are added directly
underneath to make it clear which column they belong to
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Addition & SubtractionColumn Subtraction
Notes:• (text)
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Addition & SubtractionColumn methods (decimals)
Notes:• (text)
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MultiplicationMental methodsGrid multiplication (HTU x U)Column multiplication (HTU x U)Grid multiplication (HTU x TU)Column multiplication (HTU x TU)Column multiplication (decimals)
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MultiplicationMental methods
Notes:• (text)
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Multiplication Grid multiplication (HTU x U)
Notes:• (text)
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Multiplication Column multiplication (HTU x U)
Notes:• (text)
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Multiplication Grid multiplication (HTU x U)
Notes:• (text)
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Multiplication Column multiplication (HTU x TU) (expanded) column method (compact) column method
Notes:• “Carries” to be written under
the line of working and clearly in-line with the appropriate column.
• Refer to place value when multiplying by 10 / 100 etc.
• HTU labels above each column• Calculation labels (right hand
side) may be included when first learning, but dropped when confident.
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MultiplicationColumn multiplication (decimals)
Notes:• (text)
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DivisionMental methodsSimple chunkingShort divisionShort division (continued)Long division (by one-digit divisor)Long division (by two-digit divisor)Division (decimals)
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DivisionMental Methods
Notes:• (text)
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DivisionSimple chunking
Notes:• (text)
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DivisionShort Division
Notes:• (text)
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DivisionShort Division (continued)
Notes:• (text)
(with decimal answer)
(with fraction answer)
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DivisionLong Division (by one-digit divisor)
Notes:• (text)
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DivisionLong Division (by two-digit divisor)
Notes:• (text)
… by a double digit number
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Division(decimals)
Notes:• (text)
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Place Value
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Fractions
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