Upper and Lower Bounds
This section explores upper and lower bounds. We shall explore numbers rounded to the nearest 10, 100 or 1 and work out the lowest and highest values of the original rounded values. World’s strongest...
Category: Estimating and Accuracy
Negative Numbers and Letters
In this chapter we’re going to look very broadly at how negative and positive numbers and letters work. There are some rules that you should know when working with negative and positive. These rules...