A review sheet covering upper and lower bounds from foundation level up to higher level. It includes an exercise sheet for students to practise the skills covered in the review sheet. Designed for KS4 but could be used at KS3.
A rectangle has length 12cm correct to the nearest cm and width 4.5cm correct to 1 decimal place.
1. Find the minimum perimeter of the rectangle
2. Find the maximum area of the rectangle.