These activities are part of our Primary collections, which are problems grouped by topic.
A mixed-up clock
There is a clock-face where the numbers have become all mixed up. Can you find out where all the numbers have got to from these ten statements?
Round the three dice
What happens when you round these three-digit numbers to the nearest 100?
Number differences
Reasoned rounding
Swimming pool
In this problem, we're investigating the number of steps we would climb up or down to get out of or into the swimming pool. How could you number the steps below the water?
Count me in
How do you know whether you will reach these numbers when you count in steps of six from zero?
First connect three
Tug harder!
Sea level
The picture shows a lighthouse and some underwater creatures. Can you work out the distances between some of the different creatures?
Space distances
Magic Vs
Can you put the numbers 1-5 in the V shape so that both 'arms' have the same total?
Roman numerals
Four-digit targets
Representing numbers
Coded hundred square
Satisfying four statements
Nice or nasty
Number match
A task which depends on members of the group noticing the needs of others and responding.
Less is more
Planning a school trip
The remainders game
Play this game and see if you can figure out the computer's chosen number.
Take three numbers
What happens when you add three numbers together? Will your answer be odd or even? How do you know?
Dicey operations in line
Which scripts?
The deca tree
Round the four dice
What distance?
Can you use addition and subtraction to answer these questions about real-life distances?
Ordering journeys
How would you put these journey lengths in order?
Number lines in disguise
Three neighbours
Square subtraction