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?
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?
6 Beads
Age 5 to 7
Challenge Level
If you put three beads onto a tens/ones abacus you could make the numbers 3, 30, 12 or 21. What numbers can be made with six beads?
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. How many eggs are in each basket?
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?
Number Match
Age 5 to 11
Challenge Level
A task which depends on members of the group noticing the needs of others and responding.
Fraction Match
Age 5 to 11
Challenge Level
A task which depends on members of the group noticing the needs of others and responding.
Rectangle Tangle
Age 7 to 11
Challenge Level
The large rectangle is divided into a series of smaller quadrilaterals and triangles. Can you untangle what fractional part is represented by each of the shapes?
A4 Fraction Subtraction
Age 7 to 11
Challenge Level
This task offers opportunities to subtract fractions using A4 paper.
Doughnut Percents
Age 7 to 14
Challenge Level
A task involving the equivalence between fractions, percentages and decimals which depends on members of the group noticing the needs of others and responding.
Chocolate
Age 7 to 14
Challenge Level
There are three tables in a room with blocks of chocolate on each. Where would be the best place for each child in the class to sit if they came in one at a time?
NRICH is part of the family of activities in the Millennium Mathematics Project.