Follow the clues to find the mystery number.
What do the digits in the number fifteen add up to? How many other
numbers have digits with the same total but no zeros?
A church hymn book contains 700 hymns. The numbers of the hymns are
displayed by combining special small single-digit boards. What is
the minimum number of small boards that is needed?
These cards were put into a bag and players took out four cards and made a number out of them. At first they made the highest number they could. Sinita took out
Then they made the lowest number they could. Jamie took out
"You can't put zero at the beginning of a number," objected Paul. The class discussed this and decided that Jamie had made four hundred and fifty-seven.
Next they played to make the highest even number. Jill took out
and Vincent took out
Then they played to make the highest odd number. Belinda took out
and Ali took out
Next they played to make the lowest even number. Rohan took out
and Ben took out
The last game they played was to make the closest number to $5000$. Alice took out
and Chloe took out