Some teaching ideas 5.

Who invented the nine symbols we use as numerals?

Is it a better number system than the Greek or Roman number system?


If it is a better system then why was there so much resistance to using it?

Is the 0 in 2304 the same as the number 0?

Is 0 a number?

Does 0 obey the same rules as other numbers?

Some teaching ideas 6.