Halving
Age 5 to 7
Challenge Level
These pictures show squares split into halves. Can you find other ways?
A Bowl of Fruit
Age 5 to 7
Challenge Level
Can you work out how many apples there are in this fruit bowl if you know what fraction there are?
Round the Dice Decimals 1
Age 7 to 11
Challenge Level
Use two dice to generate two numbers with one decimal place. What happens when you round these numbers to the nearest whole number?
Round the Dice Decimals 2
Age 7 to 11
Challenge Level
What happens when you round these numbers to the nearest whole number?
Andy's Marbles
Age 7 to 11
Challenge Level
Andy had a big bag of marbles but unfortunately the bottom of it split and all the marbles spilled out. Use the information to find out how many there were in the bag originally.
Spiralling Decimals
Age 7 to 14
Challenge Level
Take turns to place a decimal number on the spiral. Can you get three consecutive numbers?
Linked Chains
Age 7 to 11
Challenge Level
Can you find ways to make twenty-link chains from these smaller chains? This gives opportunities for different approaches.
Fraction Lengths
Age 7 to 11
Challenge Level
Can you find combinations of strips of paper which equal the length of the black strip? If the length of the black is 1, how could you write the sum of the strips?
NRICH is part of the family of activities in the Millennium Mathematics Project.