Age 5 to 11
Challenge Level
Being Resilient - Primary Number
Number problems at primary level that may require resilience.
Age 5 to 11
Challenge Level
Being Resilient - Primary Measures
Measure problems at primary level that may require resilience.
Age 5 to 11
Challenge Level
Being Resilient - Primary Geometry
Geometry problems at primary level that may require resilience.
Age 5 to 11
Challenge Level
Being Resilient - Primary Statistics
Statistics problems at primary level that may require resilience.
Robot Monsters
Age 5 to 7
Challenge Level
Use these head, body and leg pieces to make Robot Monsters which are different heights.
Inside Triangles
Age 5 to 7
Challenge Level
How many different triangles can you draw on the dotty grid which each have one dot in the middle?
Find the Difference
Age 5 to 7
Challenge Level
Place the numbers 1 to 6 in the circles so that each number is the difference between the two numbers just below it.
Mixed-up Socks
Age 5 to 7
Challenge Level
Start with three pairs of socks. Now mix them up so that no mismatched pair is the same as another mismatched pair. Is there more than one way to do it?
Four Triangles Puzzle
Age 5 to 11
Challenge Level
Cut four triangles from a square as shown in the picture. How many different shapes can you make by fitting the four triangles back together?
Rolling That Cube
Age 5 to 11
Challenge Level
My dice has inky marks on each face. Can you find the route it has taken? What does each face look like?
Developing Students' Resilience
Age 5 to 18
Resources to accompany the Being Resilience collections.
Which Scripts?
Age 7 to 11
Challenge Level
There are six numbers written in five different scripts. Can you sort out which is which?
Nine-pin Triangles
Age 7 to 11
Challenge Level
How many different triangles can you make on a circular pegboard that has nine pegs?
How Many Times?
Age 7 to 11
Challenge Level
On a digital 24 hour clock, at certain times, all the digits are consecutive. How many times like this are there between midnight and 7 a.m.?
Dicey Perimeter, Dicey Area
Age 7 to 11
Challenge Level
In this game for two players, you throw two dice and find the product. How many shapes can you draw on the grid which have that area or perimeter?
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.
Maze 100
Age 7 to 11
Challenge Level
Can you go through this maze so that the numbers you pass add to exactly 100?
Factor Lines
Age 7 to 14
Challenge Level
Arrange the four number cards on the grid, according to the rules, to make a diagonal, vertical or horizontal line.
Got It
Age 7 to 14
Challenge Level
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.
Make 37
Age 7 to 14
Challenge Level
Four bags contain a large number of 1s, 3s, 5s and 7s. Can you pick any ten numbers from the bags so that their total is 37?
Factors and Multiples Game
Age 7 to 16
Challenge Level
A game in which players take it in turns to choose a number. Can you block your opponent?
NRICH is part of the family of activities in the Millennium Mathematics Project.