In a lake, there is a patch of lily pads. Every day, the patch doubles in size. If it takes 48 days for the patch to cover the entire lake, how long would it take for the patch to cover half the lake?
If you go to the movies and you are paying, is it cheaper to take one friend to the movies twice or two friends to the movies at the same time?
How many times can you subtract the number 5 from 25?
If you have three oranges and you take away two, how many will you have?