Percentages and fractions

Per cent as parts per hundred, converting a percentage to a fraction and back.

Percentages and decimals

Converting between a percentage and a decimal by shifting two place columns.

Ordering fractions, decimals and percentages

Ordering fractions, decimals and percentages by converting to one form.

Ordering negative values

Ordering negatives, where the larger digit gives the smaller value.

Choosing the form to calculate in

Whether a fraction, decimal or percentage makes a calculation shortest.