Follow a recipe and practice weighing.
You should know that there are 1000 grams (g) in 1 kilogram (kg).
What does a gram and a kilogram feel like?
How good are you at estimating the mass of different items?
Follow a recipe and practice measuring liquids.
You should know that there are 1000 millilitres (ml) in 1 litre (l).
What does a millilitre and a litre look like?
How good are you at estimating the capacity of different items?
Time yourself running, cycling, swimming.
Plan your family journeys together.
Look up times on bus, train, plane timetables.
Tell the time time on both analogue and digital watches.
You should know there are 60 seconds in 1 minute and 60 minutes in 1 hour.