This is a zipped folder containing a PDF version and an editable Word / PowerPoint / Excel of each of the following files:
- a more detailed 2 page lesson plan (suitable for trainees)
- a less detailed 1 page lesson plan
- 3 'Estimating calculations' worksheets at varying levels of difficulty, similar to the one you can see in the preview
- some more calculations for children to estimate with a partner at the end of the lesson
Answers are included.