Age 5 to 11 Challenge Level:
Being Curious - Primary Number
Number problems for inquiring primary learners.
Age 5 to 11 Challenge Level:
Being Curious - Primary Measures
Measure problems for inquiring primary learners.
Age 5 to 11 Challenge Level:
Being Curious - Primary Geometry
Geometry problems for inquiring primary learners.
Age 5 to 11 Challenge Level:
Being Curious - Primary Statistics
Statistics problems for inquiring primary learners.
Five Steps to 50
Age 5 to 7 Challenge Level:
Use five steps to count forwards or backwards in 1s or 10s to get to 50. What strategies did you use?
Repeating Patterns
Age 5 to 7 Challenge Level:
Try continuing these patterns made from triangles. Can you create your own repeating pattern?
Robot Monsters
Age 5 to 7 Challenge Level:
Use these head, body and leg pieces to make Robot Monsters which are different heights.
Eggs in Baskets
Age 5 to 7 Challenge Level:
There are three baskets, a brown one, a red one and a pink one, holding a total of 10 eggs. Can you use the information given to find out how many eggs are in each basket?
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?
Chain of Changes
Age 5 to 7 Challenge Level:
Arrange the shapes in a line so that you change either colour or shape in the next piece along. Can you find several ways to start with a blue triangle and end with a red circle?
Little Manlive
Age 5 to 7 Challenge Level:
The Man is much smaller than us. Can you use the picture of him next to a mug to estimate his height and how much tea he drinks?
If the World Were a Villagelive
Age 5 to 11 Challenge Level:
This activity is based on data in the book 'If the World Were a Village'. How will you represent your chosen data for maximum effect?
A Puzzling Cube
Age 7 to 11 Challenge Level:
Here are the six faces of a cube - in no particular order. Here are three views of the cube. Can you deduce where the faces are in relation to each other and record them on the net of this cube?
Brush Loads
Age 7 to 11 Challenge Level:
How can you arrange the 5 cubes so that you need the smallest number of Brush Loads of paint to cover them? Try with other numbers of cubes as well.
Torn Shapes
Age 7 to 11 Challenge Level:
These rectangles have been torn. How many squares did each one have inside it before it was ripped?
Cows and Sheep
Age 7 to 11 Challenge Level:
Use your logical reasoning to work out how many cows and how many sheep there are in each field.
Tricky Track
Age 7 to 11 Challenge Level:
In this game you throw two dice and find their total, then move the appropriate counter to the right. Which counter reaches the purple box first?
National Flags
Age 7 to 11 Challenge Level:
This problem explores the shapes and symmetries in some national flags.
Coded Hundred Square
Age 7 to 11 Challenge Level:
This 100 square jigsaw is written in code. It starts with 1 and ends with 100. Can you build it up?
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.?
Two Clocks
Age 7 to 11 Challenge Level:
These clocks have only one hand, but can you work out what time they are showing from the information?
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?
Three Neighbours
Age 7 to 11 Challenge Level:
Look at three 'next door neighbours' amongst the counting numbers. Add them together. What do you notice?
Curious Number
Age 7 to 11 Challenge Level:
Can you order the digits from 1-3 to make a number which is divisible by 3 so when the last digit is removed it becomes a 2-figure number divisible by 2, and so on?
Dice in a Corner
Age 7 to 11 Challenge Level:
How could you arrange at least two dice in a stack so that the total of the visible spots is 18?
Nice or Nasty
Age 7 to 14 Challenge Level:
There are nasty versions of this dice game but we'll start with the nice ones...
Dicey Operations
Age 11 to 14 Challenge Level:
Who said that adding, subtracting, multiplying and dividing couldn't be fun?
NRICH is part of the family of activities in the Millennium Mathematics Project.