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Arithmetic: Mental Calculation

PGCE. Arithmetic: Mental Calculation. Learning Objectives:. Be familiar with the models of the four operations Be aware of the properties of the four operations Be aware of the relevant vocabulary Become familiar with a range of mental strategies

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Inverse Property

Commutative Property Addition-the addition of terms in any order obtains the same sum. ( a+b+c =d, a+c+b =d) Multiplication- the multiplication of terms in any order obtains the same product. ( abc =d, bca =d).

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Order of Operations

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Order of Operations

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