Weds Sep 5th - Intro to Maths - Using Rounding to estimate answers to sums

LEARNING OBJECTIVE: TO be able to round numbers to 1 significant figure and then work out an estimate to the exact answer
SUCCESS CRITERIA: You will bea bale to round a number to 1 significant figure and then use this to find an approximationte answer to the original sum

ENGAGEMENT ACTIVITY:
Using the Title "Key Stage 3 Maths - September 2012" Read and then follow these rules:

Standards of presentation for ‘neat’ book or equivalent:

·         New page for new work

·         Date written and underlined with ruler (Month written in word form)

·         Title underlined with ruler

·         Writing done in pen

·         Best handwriting

·         No doodling or graffiti

Now Copy the rules under this new heading.

LESSON: On IWB Discuss rounding homeing in on significant figures.
Give a few examples to practice 1 significant figure rounding for them to try in their exercise books.
Explain how to use this skills to find approxiamte answers (estimates) to sums.
Have a go at These Questions

PLENARIES: Reacting to Responses from Students (individually and collectively) Supporting around the classroom, giving students answersm to self mark their work.