Multiplying and dividing whole numbers by numbers greater than 0 and less than 1 can be broken into a whole number calculation followed by multiplying or dividing by a power of 10, for example 10, 100 ...

Each digit moves 2 places to the left. The zero at the front is no longer needed so we ignore it. Therefore 0.103 × 100 = 10.3 ...

Give your students a good grounding in decimals with this piece from Mike Askew, which looks at the challenges pupils face in the move from working with whole numbers to decimal numbers. Mike runs ...