Step 5 Objective
Convert one metric unit to another (e.g. grams to kilograms); read and interpret scales on a range of measuring instruments.
- Examples of what pupils should
know and be able to do - Probing questions
- What if pupils find
this a barrier?
Probing questions
Which is bigger, 200 cm or 20 000 mm? Explain how you worked it out.
What clues do you look for when deciding which metric unit is bigger?
Can you make up a practical problem that requires use of square metres?
Estimate the answer to your problem.
Explain how you convert metres to centimetres. How do you change grams into kilograms, millilitres into litres, kilometres into metres, etc.?
When reading scales how do you decide what each division on the scale represents?