Converting between units

problem
Olympic measures

Age

11 to 14

Challenge level

These Olympic quantities have been jumbled up! Can you put them back together again?
problem
Nutrition and cycling

Age

14 to 16

Challenge level

Andy wants to cycle from Land's End to John o'Groats. Will he be able to eat enough to keep him going?
problem
Alternative record book

Age

14 to 18

Challenge level

In which Olympic event does a human travel fastest? Decide which events to include in your Alternative Record Book.
problem
Carbon footprints

Age

14 to 16

Challenge level

Is it really greener to go on the bus, or to buy local?
problem
Uniform units

Age

14 to 16

Challenge level

Can you choose your units so that a cube has the same numerical value for it volume, surface area and total edge length?
problem
Choose your units

Age

14 to 16

Challenge level

Which units would you choose best to fit these situations?
problem
New units for old

Age

16 to 18

Challenge level

Can you match up the entries from this table of units?
problem
Bigger or smaller?

Age

14 to 16

Challenge level

When you change the units, do the numbers get bigger or smaller?
problem
Weighing fruit

Age

7 to 11

Challenge level

Can you use this information to estimate how much the different fruit selections weigh in kilos and pounds?
problem
At the pumps

Age

7 to 11

Challenge level

How will you find out how much a tank of petrol costs?