Mathematicians often need to be able to compare numbers that might be expressed in different ways, and use these different representations in calculations. In this feature, we have chosen some games and activities which will challenge you to figure out when quantities are bigger, smaller, or a perfect match.
Please send us your solutions by Monday 23 March.
Matching fractions, decimals and percentages
Can you match pairs of fractions, decimals and percentages, and beat your previous scores?
Fractions and percentages card game
Can you find the pairs that represent the same amount of money?
Terminating or not
Is there a quick way to work out whether a fraction terminates or recurs when you write it as a decimal?
Standard index form matching
Can you match these calculations in Standard Index Form with their answers?
Tiny nines
What do you notice about these families of recurring decimals?
Repetitiously
Can you express every recurring decimal as a fraction?