problem
Favourite
Largest Even
How would you create the largest possible two-digit even number from the digit I've given you and one of your choice?
problem
Favourite
Poly Plug Rectangles
The computer has made a rectangle and will tell you the number of spots it uses in total. Can you find out where the rectangle is?
problem
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Two numbers under the microscope
This investigates one particular property of number by looking closely at an example of adding two odd numbers together.
problem
Favourite
That number square
Exploring the structure of a number square: how quickly can you put the number tiles in the right place on the grid?
problem
Favourite
Eggs in Baskets
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
Favourite
Hundred Square
A hundred square has been printed on both sides of a piece of paper. What is on the back of 100? 58? 23? 19?
list
Convince me! - Lower Primary Students
Here are some challenges that you can work on and then see if you can convince someone that your solutions are right! Have a go!