The flow chart requires two numbers, M and N. Select several values
for M and try to establish what the flow chart does.
Can you set the logic gates so that the number of bulbs which are
on is the same as the number of switches which are on?
Four friends must cross a bridge. How can they all cross it in just 17 minutes?
A man has 5 coins in his pocket. Given the clues, can you work out
what the coins are?
Investigate how logic gates work in circuits.
Using balancing scales what is the least number of weights needed
to weigh all integer masses from 1 to 1000? Placing some of the
weights in the same pan as the object how many are needed?
It's like 'Peaches Today, Peaches Tomorrow' but interestingly
What day of the week were you born on? Do you know? Here's a way to
However did we manage before calculators? Is there an efficient way
to do a square root if you have to do the work yourself?
We received many correct strategies for solving this set of
Go to last month's problems to see more solutions.
Investigate circuits and record your findings in this simple introduction to truth tables and logic.
Here is a Sudoku with a difference! Use information about lowest common multiples to help you solve it.