Lesson Introduction

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Pep 4.1

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Approximation

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Activity 4.2

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Numbers involved in animal migrations

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Arithmetic Operations and Approximation

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Activity 4.3

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Using approximation for migration of butterflies problem

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Companion 4a

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Activity 4.5

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Practice Activity 1

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Companion 4b

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Multiplication and Division

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Now I can 1

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1 – Quick Quiz a