Question

Which is quicker, counting up to 30 in ones or counting up to 300 in tens? Why?

Answer 1

Answer:

It's much easier to work on this with a partner! When you have timed yourselves and decided about the reasons for your results, you could invent some examples for yourselves. You could predict which was going to be quicker and then try them out to test your prediction ...

7 seconds to get to 30 in ones. 11 seconds to get to 300 by tens so counting by ones to get to 30 is quicker ...

11 seconds to get to 40 in ones. 18 seconds to get to 4,000 in hundreds is slower because we normally don't count in hundreds so it takes longer time. But we count by ones often ...

I am slower at counting by sevens because we don't use it very often and we only remember the times table until 7×12.