In this worksheet, you must multiply numbers by amounts such as £1.99 or £2.99 or £3.99 etc.
This is particularly useful when you go shopping.
Shortcut Method
17 × £2.99
First, we pretend that the amount is £3 and not £2.99
Multiply 17 by £3 to get £51
This is 17 × 1p too much, so we now subtract 17p from £51
£51.00 - 17p = £51.00 - £0.17 = £50.83
So 17 × £2.99 = £50.83