'First subtraction' diaporamas de présentation

L.O.1 To be able to use known facts and place value to multiply and divide mentally.

L.O.1 To be able to use known facts and place value to multiply and divide mentally. Answer these on your whiteboards: What are 10 lots of 5? What is the product of 20 and 5? What is 30 multiplied by 5? What are 10 lots of 6? What is the product of 20 and 6?

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Descartes Rule

Descartes Rule. Descartes' Rule of Signs is a useful help for finding the zeroes of a polynomial. Descartes' Rule of Signs is a useful help for finding the zeroes of a polynomial, assuming that you don't have the graph to look at.

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Everyday Mathematics Trade-First Subtraction

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