Write the numbers up to 64 in an interesting way so that the shape they make at the end is interesting, different, more exciting ... than just a square.
You have two sets of the digits 0 – 9. Can you arrange these
in the five boxes to make four-digit numbers as close to the target
numbers as possible?
Find at least one way to put in some operation signs (+ - x ÷)
to make these digits come to 100.
How could you put eight beanbags in the hoops so that there are
four in the blue hoop, five in the red and six in the yellow? Can
you find all the ways of doing this?
You cannot choose a selection of ice cream flavours that includes
totally what someone has already chosen. Have a go and find all the
different ways in which seven children can have ice cream.
Can you find rectangles where the value of the area is the same as the value of the perimeter?
Powers of numbers behave in surprising ways. Take a look at some of
these and try to explain why they are true.
Charlie has moved between countries and the average income of both
has increased. How can this be so?
Rowena's approach to this problem was particularly methodical - she
made sure she found all the possible solutions.
Go to last month's problems to see more solutions.
Kirsti Ashworth, an NRICH Teacher Fellow, talks about her
experiences of using rich tasks.
An article that reminds us about the value and importance of communication in the mathematics classroom.
A game for two people, or play online. Given a target number, say 23, and a range of numbers to choose from, say 1-4, players take it in turns to add to the running total to hit their target.