This selection of tasks offers opportunities for learners to reason for different purposes and in different ways. You can read more about the reasons for choosing them in this accompanying article. They form part of our Reasoning Feature, which also includes tasks chosen to help learners move from being a novice reasoner to becoming an expert
reasoner.
problem
That number square
Age
5 to 11
Challenge level
Exploring the structure of a number square: how quickly can you put the number tiles in the right place on the grid?
problem
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?
problem
Hundred square
Age
5 to 11
Challenge level
A hundred square has been printed on both sides of a piece of paper. What is on the back of 100? 58? 23? 19?
problem
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?
problem
Maze 100
Age
7 to 11
Challenge level
Can you go through this maze so that the numbers you pass add to exactly 100?
problem
Amy's dominoes
Age
7 to 11
Challenge level
Amy has a box containing domino pieces but she does not think it is a complete set. Which of her domino pieces are missing?