Board Block for Two
Age 5 to 7
Challenge Level
Board Block game for two. Can you stop your partner from being able to make a shape on the board?
Money Bags
Age 5 to 11
Challenge Level
Ram divided 15 pennies among four small bags. He could then pay any sum of money from 1p to 15p without opening any bag. How many pennies did Ram put in each bag?
Transformations on a Pegboard
Age 7 to 11
Challenge Level
How would you move the bands on the pegboard to alter these shapes?
Exploring Wild & Wonderful Number Patterns
Age 7 to 11
Challenge Level
EWWNP means Exploring Wild and Wonderful Number Patterns Created by Yourself! Investigate what happens if we create number patterns using some simple rules.
Magic Vs
Age 7 to 11
Challenge Level
Can you put the numbers 1-5 in the V shape so that both 'arms' have the same total?
Follow the Numbers
Age 7 to 11
Challenge Level
What happens when you add the digits of a number then multiply the result by 2 and you keep doing this? You could try for different numbers and different rules.
Roll These Dice
Age 7 to 11
Challenge Level
Roll two red dice and a green dice. Add the two numbers on the red dice and take away the number on the green. What are all the different possible answers?
This Pied Piper of Hamelin
Age 7 to 11
Challenge Level
Investigate the different numbers of people and rats there could have been if you know how many legs there are altogether!
Board Block Challenge
Age 7 to 11
Challenge Level
Choose the size of your pegboard and the shapes you can make. Can you work out the strategies needed to block your opponent?
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.
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.
NRICH is part of the family of activities in the Millennium Mathematics Project.