(From Tiffin Year 7 scheme of work)
(a) Round a number to a given number of decimal places or significant figures.
(b) Approximate the value to a multiplication/division by rounding each number to 1 significant figure.
(Used for Tiffin Year 8 scheme of work)
Identify upper and lower bounds for a measurement to a given degree of accuracy, both with decimal places and significant figures (subsequent calculations involving bounds are not required).
Includes calculations in terms of bounds (subtracting/adding/multiplying/dividing).