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A skill needed for today: Work out 10 β3
Give your answer as a fraction and decimal. π π π From last term: Work out the missing length, q Timed spaced retrieval β non calculator From last year: Factorise 4π₯ 2 β1
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Mark your work = cm (2π₯+1)(2π₯β1)
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In pairs, put these numbers into groups of 3 that are equivalent.
Task 1
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Check your work
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Which of these values are written in STANDARD FORM?
Questioning and recapping from last lesson
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Task 2 β Match the objects to their sizes
Task 2 β Match the objects to their sizes. If students find this difficult ask them to put the objects and values in order of size., smallest to largest. The blank cards are for students to estimate the remaining sizes.
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Now match these values to your other cards.
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Answers In order of size
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Title: Very Small Numbers
When a value written in standard form has a negative index the value will be smaller than 1. For example 4.2 Γ 10 β2 =4.2 Γ0.01=0.042 Your turnβ¦..Write the following as normal values 6.3 Γ 10 β4 6.37Γ 10 β4 6.07Γ 10 β4 6.730Γ 10 β6
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Further Practise Write these numbers in standard form:
Put these values in order
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Mark your work
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Challenge 2.07 Γ 1013 or 2.1 Γ 1013 or 2 Γ 1013
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