problem
Approaching midnight first or second?
Jennie tried the Approaching Midnight game and wondered if it matters whether you go first or second.
Conjecturing and generalising
problem
Approaching midnight the ultimate
Want a serious challenge? Have a look at these ideas for changing the Approaching Midnight game.
problem
Approaching midnight taking it further
Here we offer some suggestions about how you could take the Approaching Midnight game further.
problem
Approaching midnight get started
Like a bit of help getting into the game? Then have a look at this.
problem
Sums and differences 2
Age
7 to 11
Challenge level
Find the sum and difference between a pair of two-digit numbers. Now find the sum and difference between the sum and difference! What happens?
problem
Sums and differences 1
Age
7 to 11
Challenge level
This challenge focuses on finding the sum and difference of pairs of two-digit numbers.
problem
Super computer
Age
14 to 16
Challenge level
What is the units digit of the given expression?
problem
Little difference
Age
14 to 16
Challenge level
What is the value of $2015 \times 2017 - 2016 \times 2016$?
problem
Journeying in numberland
Age
7 to 11
Challenge level
Tom and Ben visited Numberland. Use the maps to work out the number of points each of their routes scores.