Saturday, 23 June 2012

Mon Jun 25th- Rounding integers and decimals to 1 or 2 significant figures

LEARNING OBJECTIVE: You will discover and practice rounding numbers to 1 and 2 significant figures

SUCCESS CRITERIA: You will be able to round any whle number and any decimal number to 1 or 2 significant figures

ENGAGEMENT ACTIVITY:Use this lesson to practice estimating

LESSON: ON IWB use screens 1, 2 & 39(repeatedly) to introduce the idea of rounding to significant figures.

Add lots of examples on IWB to consolidate understanding:

Work through these questions

EXTENSION: Round all the numbers to 2 significant figures

PLENARY:
Checking Answers

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