problem
Discuss and choose
Age
5 to 11
Challenge level
This activity challenges you to decide on the 'best' number to use in each statement. You may need to do some estimating, some calculating and some research.
problem
Times tables shifts
Age
7 to 11
Challenge level
In this activity, the computer chooses a times table and shifts it. Can you work out the table and the shift each time?
problem
Digit discovery
Age
7 to 11
Challenge level
Here is an interesting property about two sets of digits. Can you work out what the digits might be?
problem
Remainders
Age
7 to 14
Challenge level
I'm thinking of a number. My number is both a multiple of 5 and a multiple of 6. What could my number be?
problem
Stringy quads
Age
7 to 11
Challenge level
This practical problem challenges you to make quadrilaterals with a loop of string. You'll need some friends to help!