Kilograms and Kilometres
Children focus on the use of the prefix ‘kilo’ in units of length and mass, meaning a thousand. They convert from metres to kilometres (km), grams to kilograms (kg) and vice versa. It is useful for children to feel the weight of a kilogram and various other weights in order for them to have a better understanding of their value. Bar Models or double number lines are useful for visualising the conversions.
What does ‘kilo’ mean when used at the start of a word?
Complete the stem sentence: There are ______ grams in ___ kilograms.
How would you convert a fraction of a kilometre to metres?
What is the same and what is different about converting from kg to g and km to m?