Today a group of children looked at Roman numerals. They identified the letters that represented 1, 5, 10, 50, 100 and 1000.
The children independently worked out that they had to find the tens and then the ones separately. An example can be seen below:
99 isn’t IC – 1 less than 100 but in fact is XCIX because XC is 90 and IX is 9.
Have a look at the grid below to help you out! Could you make some addition calculations out of them?
E.g. IV + VII =