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?
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?
Can you think like a computer and work out what this flow diagram
Can you set the logic gates so that this machine can decide how many bulbs have been switched on?
What will happen when you switch on these circular circuits?
Number sequences and geometric properties nicely connected in this
solution by Esther
Go to last month's problems to see more solutions.
Learn about the link between logical arguments and electronic circuits. Investigate the logical connectives by making and testing your own circuits and fill in the blanks in truth tables to record your findings.
Most stories about the history of maths seem to be about men. Here are some famous women who contributed to the development of modern maths and prepared the way for generations of female mathematicians.
Here is a Sudoku with a difference! Use information about lowest common multiples to help you solve it.