Once you have tried the main activities in our Number Facts Feature, why not have a go at these?
problem
I'm eight
Age
5 to 11
Challenge level
Find a great variety of ways of asking questions which make 8.
problem
Sealed solution
Age
7 to 11
Challenge level
Ten cards are put into five envelopes so that there are two cards in each envelope. The sum of the numbers inside it is written on each envelope. What numbers could be inside the envelopes?
problem
Three dice
Age
7 to 11
Challenge level
Investigate the sum of the numbers on the top and bottom faces of a line of three dice. What do you notice?
game
Favourite
Spiralling decimals
Age
7 to 14
Challenge level
Take turns to place a decimal number on the spiral. Can you get three consecutive numbers?
problem
Forgot the numbers
Age
7 to 11
Challenge level
On my calculator I divided one whole number by another whole number and got the answer 3.125. If the numbers are both under 50, what are they?
problem
Consecutive numbers
Age
7 to 14
Challenge level
An investigation involving adding and subtracting sets of consecutive numbers. Lots to find out, lots to explore.
problem
Number match
Age
5 to 11
Challenge level
A task which depends on members of the group noticing the needs of others and responding.
problem
Reach 100
Age
7 to 11
Challenge level
Choose four different digits from 1-9 and put one in each box so that the resulting four two-digit numbers add to a total of 100.