Fri Sep 7th - Approximating 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:
Rounding whole Numbers
Rounding 1dp
Rounding 2dp

LESSON: 

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

EXTENSION: Using a calculator work out the exact answer to all the questions

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