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Approximation and Errors
Significant Figures
Introduction to scientific notation
Scientific notation and very large and very small numbers
Use a calculator for scientific notation
Scientific notation calculations using index laws
Accuracy in measurement (percentage error)
Estimating Percentages
Estimation with Decimals (Investigation)
Lesson
Estimation and Rounding
Check reasonableness of calculations
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Stage 1 - Stage 3

Estimation with Decimals (Investigation)

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